Bridge Rectifier Question & AnswersJuly 26, 2021 By WatElectronics This article lists 100 Bridge Rectifier MCQs for engineering students. All the Bridge Rectifier Questions & Answers given below includes solution and link wherever possible to the relevant topic.The bridge rectifier is a type of full-wave rectifier, which rectifies the complete waveform. It consists of three important components they are a transformer, four diodes, and load resistance. The diodes in the rectifier are connected in the form of a bridge and the main function of this is to convert AC to DC. The bridge rectifier consists of four diodes, and its maximum rectification efficiency is 81.2%, and its ripple factor is 48%. The transformer utilization factor of this rectifier is 0.812 and the output frequency is equal to 2f. It is an AC to DC converter and its form factor value is 1.11.In a bridge rectifier, the transformer is not required. The standard form of DBR is Diode Bridge Rectifier. The bridge rectifiers are categorized into three types they are uncontrolled, fully controlled, and half controlled bridge rectifiers. This rectifier consists of diodes, transformer, regulators, and filtering devices. When source voltage is negative in bridge rectifier then d1 and d2 diodes blocks whereas the diode d3 and d4 conduct similarly when the source voltage is positive in bridge rectifier d1 and d2 diodes conduct whereas diode d3 and d4 block. These rectifiers are more efficient, it has less ripple factor value, the circuit complexity is more, the voltage regulations are good, and the voltage across the diode is high.1). The maximum rectification efficiency of bridge rectifier is _____________ 81.2% 0.2% 8.2% 1.2% HintThe maximum rectification efficiency of bridge rectifier is 81.2%2). In which rectifier the transformer core saturation is possible? Half-wave Full-wave Bridge All of the above HintIn half-wave rectifier the transformer core saturation is possible3). The ripple frequency of the bridge rectifier is around ___________ 100Hz 300Hz 400Hz 500Hz HintThe ripple frequency of the bridge rectifier is around 100Hz4). How many diodes does the bridge rectifier consist? One Two Three Four HintThe bridge rectifier consists of four diodes5). How many diodes does the full-wave rectifier consist of? One Two Three Four HintThe full-wave rectifier consists of two diodes6). In which rectifier the center tap transformer is required? Half-wave Full-wave Bridge All of the above HintIn a full-wave rectifier, the center tap transformer is required7). How many diodes does the half-wave rectifier consist of? One Two Three Four HintThe half-wave rectifier consists of only one diode8). The ripple frequency of full-wave rectifier is around ___________ 100Hz 300Hz 400Hz 500Hz HintThe ripple frequency of full-wave rectifier is around 100Hz9). The ripple factor of bridge rectifier is __________ 20% 48% 80% 90% HintThe ripple factor of bridge rectifier is 48%10). The TUF of bridge rectifier is _____________ 0.812 0.81 0.12 8.12 HintThe TUF of the bridge rectifier is 0.81211). The TUF of the center-tapped full wave rectifier is _____________ 0.812 0.693 0.12 812 HintThe TUF of the center-tapped full-wave rectifier is 0.69312). How many diodes does the center-tapped full wave rectifier consist of? One Two Three Four HintThe center-tapped full-wave rectifier consists of two diodes13). The maximum efficiency of the center-tapped full wave rectifier is _________ 20% 81.2% 80% 90% HintThe maximum efficiency of the center-tapped full-wave rectifier is 81.2%14). The output frequency of bridge rectifier is ________ f 2f 4f 8f HintThe output frequency of bridge rectifier is equal to 2f15). The TUF of half-wave rectifier is _____________ 0..812 0.287 0.12 8.12 HintThe TUF of half-wave rectifier is 0. 28716). The maximum rectification efficiency of full-wave rectifier is _____________ 81.2% 0.2% 8.2% 1.2% HintThe maximum rectification efficiency of a full-wave rectifier is 81.2%17). The output frequency of the half-wave rectifier is ________ 10Hz 20Hz 40Hz 50Hz HintThe output frequency of the half-wave rectifier is 50Hz18). The output frequency of the full-wave rectifier is ________ f 2f 4f 8f HintThe output frequency of the full-wave rectifier is equal to 2f19). The form factor value of the full-wave rectifier is ____________ 1.11 2.99 6.7 3.88 HintThe form factor value of the full-wave rectifier is 1.1120). The ripple frequency of the half wave-rectifier is around ___________ 100Hz 300Hz 400Hz 50Hz HintThe ripple frequency of the half-wave rectifier is around 50Hz21). The maximum rectification efficiency of the half-wave rectifier is _____________ 81.2% 40% 8.2% 1.2% HintThe maximum rectification efficiency of the half-wave rectifier is 40%22). The ripple factor of the full-wave rectifier is __________ 20% 48% 80% 90% HintThe ripple factor of the full-wave rectifier is 48% Read more about Full Wave Rectifier23). The form factor value of the bridge rectifier is ____________ 1.11 2.99 6.7 3.88 HintThe form factor value of the bridge rectifier is 1.1124). The peak factor value of the half-wave rectifier is _________ 2 4 8 16 HintThe peak factor value of the half-wave rectifier is 225). In which rectifier the center tap transformer is used? Half-wave Full-wave Bridge All of the above HintIn a full-wave rectifier, the center tap transformer is usedBridge Rectifier MCQ's with Answers26). The ripple factor of the half-wave rectifier is __________ 20% 48% 80% 100% HintThe ripple factor of the half-wave rectifier is 100%27). The form factor value of the half-wave rectifier is ____________ 1.11 2.99 1.57 3.88 HintThe form factor value of the half-wave rectifier is 1.5728). The peak factor value of the half-wave rectifier is _________ 2 √2 8 16 HintThe peak factor value of the half-wave rectifier is √229). The bridge rectifier is a ______________ converter AC to DC Dc to AC Both a and b None of the above HintThe bridge rectifier is an AC to DC converter30). In which rectifier the transformer is not required? Half-wave Full-wave Bridge All of the above HintIn a bridge rectifier, the transformer is not required31). What is the standard form of DBR? Diode Bridge Rectifier Dual Bridge Rectifier Double Bridge Rectifier None of the above HintThe standard form of DBR is Diode Bridge Rectifier32). The ratio of the period of the input supply voltage by a period of the minimum order harmonics in the output voltage/current is known as _________ Pulse number of a rectifier Pulse number of a rectifier None of the above HintThe ratio of the period of the input supply voltage by a period of the minimum order harmonics in the output voltage/current is known as the pulse number of a rectifier33). The ratio of actual power input to the rectifier divided by apparent power input to the rectifier is known as _________ Pulse number of a rectifier Power factor of a rectifier HintThe ratio of actual power input to the rectifier divided by apparent power input to the rectifier is known as the power factor of a rectifier34). The three-phase rectifiers are categorized into __________ One Two Three Four HintThe three-phase rectifiers are categorized into two types they are half-wave and bridge rectifiers35). The peak factor value of full-wave rectifier is _________ 2 √2 8 16 HintThe peak factor value of full-wave rectifier is √236). The bridge rectifiers are categorized into __________ One Two Three Four HintThe bridge rectifiers are categorized into three types they are uncontrolled, fully controlled, and half controlled bridge rectifiers37). The bridge rectifier consists of __________ devices Diode bridge Transformer, regulators Filtering All of the above HintThe bridge rectifier consists of diodes, transformer, regulators, and filtering devices38). How many diodes do single-phase bridge rectifiers consist? One Two Three Four HintThe single-phase bridge rectifier uses four diodes39). How many diodes do three-phase bridge rectifier uses? One Two Three Six HintThe three-phase bridge rectifier uses six diodes40). Which one of the following rectifiers has only thyristors? Controlled Uncontrolled Half controlled None of the above HintThe controlled rectifier has only thyristors41). Which one of the following rectifiers has only thyristor and diodes? Controlled Uncontrolled Half controlled None of the above HintThe half controlled rectifier has only thyristor and diodes 42). The single-phase full-wave uncontrolled rectifier is categorized into _________ One Two Three Four HintThe single-phase full-wave uncontrolled rectifier is categorized into two types they are center-tapped and bridge rectifiers43). Which one of the following is a three-phase full-wave uncontrolled rectifier? 3-ϕ half-wave 3-ϕ mid-point 6 pulse 3-ϕ bridge and 3-ϕ 12 pulse All of the above HintThe 3-ϕ half-wave, 3-ϕ mid-point 6 pulses, 3-ϕ bridge, and 3-ϕ 12 pulses are the three-phase full-wave uncontrolled rectifiers44).The power factor value of 1- ϕ full-wave rectifier center tapped is ___________ One Two Three Four HintThe power factor value of 1- ϕ full-wave rectifier center tapped is one45). Which one of the following rectifiers has only diodes? Controlled Uncontrolled Half controlled None of the above HintThe uncontrolled rectifier has only diodes46). What are the advantages of a 3-ϕ uncontrolled rectifier? High-efficiency Lower amplitude ripples Higher frequency All of the above HintThe advantages of 3-ϕ uncontrolled rectifiers are it has high efficiency, lower amplitude ripples, and higher frequency47). The ripple factor value of a 3-ϕ half-wave rectifier is ___________ 1.2 0.177 7.8 9.0 HintThe ripple factor value of 3-ϕ half-wave rectifier is 0.17748). The form factor value of 3-ϕ half-wave rectifier is ____________ 1.2 0.177 7.8 1.732 HintThe form factor value of 3-ϕ half-wave rectifier is 1.73249). The VRF value of 3- ϕ mid-point 6 pulse rectifier is _______ 1% 2% 4.3% 8% HintThe VRF value of 3- ϕ mid-point 6 pulse rectifier is 4.3%50). The form factor value of 3-ϕ mid-point 6 pulse rectifier is ____________ 1.009 0.177 7.8 1.732 HintThe form factor value of 3-ϕ mid-point 6 pulse rectifier is 1.009Bridge Rectifier MCQ's for Interviews51). The rectifier efficiency of 3-ϕ mid point 6 pulse rectifier is __________ 1% 2% 4.3% 99.82% HintThe rectifier efficiency of 3-ϕ mid point 6 pulse rectifier is 99.82%52). The ripple factor value of 3-ϕ bridge rectifier is ___________ 1.2 0.404 7.8 9.0 HintThe ripple factor value of 3-ϕ bridge rectifier is 0.40453). The rectifier efficiency of 3-ϕ bridge rectifier is __________ 1% 2% 4.3% 99.82% HintThe rectifier efficiency of 3-ϕ bridge rectifier is 99.82%54). The TUF value of 3-ϕ bridge rectifier is _________ 0.1 8.9 4.3 0.9541 HintThe TUF value of 3-ϕ bridge rectifier is 0.954155). The ripple frequency of 3-ϕ bridge rectifier is ___________ 360 degrees 180 degrees 120 degrees 90 degrees HintThe ripple frequency of 3-ϕ bridge rectifier is 120 degrees56). The ratio of peak value divided by RMS value is known as ________ Peak factor Form factor TUF None of the above HintThe ratio of peak value divided by RMS value is known as peak factor57). The ratio of ripple voltage divided by pure DC voltage is known as _________ Peak factor Form factor TUF Ripple factor HintThe ratio of ripple voltage divided by pure DC voltage is known as ripple factor58). The ratio of DC output power divided by AC input power is known as _________ Peak factor Form factor Rectifier efficiency Ripple factor HintThe ratio of DC output power divided by AC input power is known as rectifier efficiency59). The ratio of DC power delivered to load divided by the AC rating of the transformer is known as ____________ Peak factor Form factor TUF Ripple factor HintThe ratio of DC power delivered to load divided by the AC rating of the transformer is known as the transformer utilization factor60). The ratio of RMS value of current divided by DC output current is known as _______ Peak factor Form factor TUF Ripple factor HintThe ratio of RMS value of current divided by DC output current is known as the form factor61). The maximum value of alternating quantity divided by RMS value of an alternating quantity is known as ________ Peak factor Form factor TUF Ripple factor HintThe maximum value of alternating quantity divided by RMS value of an alternating quantity is known as the peak factor62). The transformer utilization factor is low in ______ rectifier Half-wave Full-wave Bridge None of the above HintThe transformer utilization factor is low in a half-wave rectifier63). In which one of the following rectifiers the efficiency is low? Half-wave Full-wave Bridge None of the above HintIn a half-wave rectifier the efficiency is low64). In which one of the following rectifier designs is easy? Half-wave Full-wave Bridge None of the above HintIn half-wave rectifier design is easy65). The transformer can saturate in ____________ rectifier Half-wave Full-wave Bridge None of the above HintThe transformer can saturate in a half-wave rectifier66). The PIV of the diode is low in _______ rectifier Half-wave Bridge Both a and b None of the above HintThe PIV of the diode is low in both half-wave and bridge rectifiers67). The ripple factor is poor in ________ rectifier Half-wave Bridge Both a and b None of the above HintThe ripple factor is poor in a half-wave rectifier68). The ratio of peak value divided by RMS value is known as __________ factor TUF Crest Peak None of the above HintThe ratio of peak value divided by RMS value is known as crest factor69). The voltage across the diode is high in ___________ rectifier Bridge Center tapped Both a and b None of the above HintThe voltage across the diode is high in the bridge rectifier70). In which of the following rectifier, the voltage regulations are good? Bridge Center tapped Both a and b None of the above HintIn bridge rectifier, the voltage regulations are good71). In which of the following rectifier, the circuit complexity is more? Bridge Center tapped Both a and b None of the above HintIn bridge rectifier, the circuit complexity is more72). The ratio of DC output power divided by an AC output power is known as _________ TUF Crest Peak Efficiency HintThe ratio of DC output power divided by an AC output power is known as efficiency73). What is the standard form of SCR? Silicon Controlled Rectifier Silicon Uncontrolled Rectifier Simple Controlled Rectifier None of the above HintThe standard form of SCR is Silicon Controlled Rectifier74). Which one of the following is an uncontrolled rectifier? Diodes Thyristors Both a and b None of the above HintThe diodes are the uncontrolled rectifiers75). Which one of the following is a controlled rectifier? Diodes Thyristors Both a and b None of the above HintThe thyristors are the controlled rectifiersBridge Rectifier MCQ's for Exams76). What are the advantages of a bridge rectifier? More efficient Ripple factor value is less Both a and b None of the above HintThe bridge rectifiers are more efficient and it has less ripple factor value77). Which one of the following is a bridge rectifier diode? 1N4007 1N5408 6A4 diodes All of the above HintThe 1N4007, 1N5408, 6A4 diodes are the bridge rectifier diodes78). The maximum recurrent peak reverse voltage value of the 6A4 bridge rectifier diode is _________ 100V 200V 300V 400V HintThe maximum recurrent peak reverse voltage value of the 6A4 bridge rectifier diode is 400V79). The maximum reverse voltage of the 6A4 bridge rectifier diode is _________ 100V 280V 300V 400V HintThe maximum reverse voltage of the 6A4 bridge rectifier diode is 280V80). The maximum DC breaking voltage of the 6A4 bridge rectifier diode is _______ 100V 280V 300V 400V HintThe maximum DC breaking voltage of the 6A4 bridge rectifier diode is 400V81). The maximum repetitive peak reverse voltage value of the 1N5048 bridge rectifier diode is ________ 1000V 280V 300V 400V HintThe maximum repetitive peak reverse voltage value of the 1N5048 bridge rectifier diode is 1000V82). The maximum average forward rectified current of 6A4 bridge rectifier diode is _______ 6A 28A 30A 40A HintThe maximum average forward rectified current of 6A4 bridge rectifier diode is 6A83). The maximum RMS voltage of 1N5048 bridge rectifier diode is _________ 1000V 700V 300V 400V HintThe maximum RMS voltage of 1N5048 bridge rectifier diode is 700V84). The maximum DC blocking voltage of 1N5048 bridge rectifier is _________ 1000V 700V 300V 400V HintThe maximum DC blocking voltage of 1N5048 bridge rectifier is 1000V85). The maximum average forward rectified current of 1N5048 bridge rectifier diode is _______ 3A 28A 30A 40A HintThe maximum average forward rectified current of 1N5048 bridge rectifier diode is 3A86). The operating junction and storage temperature range of 1N5048 bridge rectifier diode is ___________ )-5 to +150 deg centigrade -5 to -150 deg centigrade 5 to +150 deg centigrade None of the above HintThe operating junction and storage temperature range of the 1N5048 bridge rectifier diode is -5 to +150 deg centigrade87). During the positive half of the input cycle the diode d1 and d3 are _______ Forward bias Reverse bias D1 is forward and d3 is reverse bias None of the above HintDuring the positive half of the input cycle the diode d1 and d3 are forward biased88). During the positive half of the input cycle the diode d4 and d2 are _______ Forward bias Reverse bias D1 is forward and d3 is reverse bias None of the above HintDuring the positive half of the input cycle the diode d4 and d2 are reverse biased89). During the negative half of the input cycle the diode d4 and d2 are _______ Forward bias Reverse bias D1 is forward and d3 is reverse bias None of the above HintDuring the negative half of the input cycle the diode d4 and d2 are forward biased90). During the negative half of the input cycle the diode d1 and d3 are _______ Forward bias Reverse bias D1 is forward and d3 is reverse bias None of the above HintDuring the negative half of the input cycle the diode d1 and d3 are reverse biased91). The diodes in a rectifier aligned in a ________ configuration Circle Square Diamond None of the above HintThe diodes in a rectifier aligned in a diamond configuration92). In half-wave rectifier, for the half-cycle, the output voltage is ________ Zero One Infinity None of the above HintIn half-wave rectifier, for the half-cycle, the output voltage is zero Read more about Half Wave Rectifier93). In the case of a half-wave rectifier, the efficiency is ________ 60.9% 0.9% 40.56% 80.9% HintIn the case of a half-wave rectifier, the efficiency is 40.56%94). The single-phase rectifiers has ____________ Low efficiency Low power delivery Less TUF All of the above HintThe single-phase rectifiers has low efficiency, low power delivery, and less TUF value95). The SCR or thyristor is a ________ layer semiconductor device Single Double Multi None of the above HintThe SCR or thyristor is a multi-layer semiconductor device96). The single-phase rectifier used for ___________ Consumer electronic devices Household appliances Both a and b None of the above HintIn consumer electronic devices, household appliances, etc the single-phase rectifiers are used97). Which one of the following rectifiers is cheaper? Half-wave Full-wave Both a and b None of the above HintThe half-wave rectifier is cheaper compared to full-wave rectifier98). In _________ rectifier the output is discontinuous Half-wave Full-wave Both a and b None of the above HintIn a half-wave rectifier, the output is discontinuous99).When source voltage is positive in bridge rectifier then d1 and d2 diodes ________ Conduct Block D1 conduct and d2 block None of the above HintWhen source voltage is positive in bridge rectifier then d1 and d2 diodes conducts whereas diode d3 and d4 block100). When source voltage is negative in bridge rectifier then d1 and d2 diodes ________ Conduct Block D1 conduct and d2 block None of the above HintWhen source voltage is negative in bridge rectifier then d1 and d2 diodes blocks whereas the diode d3 and d4 conducts Read more about Bridge Rectifier Time is Up! Time's up
