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. 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-waveFull-waveBridgeAll of the aboveHintIn half-wave rectifier the transformer core saturation is possible 3). The ripple frequency of the bridge rectifier is around ___________100Hz300Hz400Hz500HzHintThe ripple frequency of the bridge rectifier is around 100Hz 4). How many diodes does the bridge rectifier consist?OneTwoThreeFourHintThe bridge rectifier consists of four diodes 5). How many diodes does the full-wave rectifier consist of?OneTwoThreeFourHintThe full-wave rectifier consists of two diodes 6). In which rectifier the center tap transformer is required?Half-waveFull-waveBridgeAll of the aboveHintIn a full-wave rectifier, the center tap transformer is required 7). How many diodes does the half-wave rectifier consist of?OneTwoThreeFourHintThe half-wave rectifier consists of only one diode 8). The ripple frequency of full-wave rectifier is around ___________100Hz300Hz400Hz500HzHintThe ripple frequency of full-wave rectifier is around 100Hz 9). 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 _____________0.8120.810.128.12HintThe TUF of the bridge rectifier is 0.812 11). The TUF of the center-tapped full wave rectifier is _____________0.8120.6930.12812HintThe TUF of the center-tapped full-wave rectifier is 0.693 12). How many diodes does the center-tapped full wave rectifier consist of?OneTwoThreeFourHintThe center-tapped full-wave rectifier consists of two diodes 13). 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 ________f2f4f8fHintThe output frequency of bridge rectifier is equal to 2f 15). The TUF of half-wave rectifier is _____________0..8120.2870.128.12HintThe TUF of half-wave rectifier is 0. 287 16). 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 ________10Hz20Hz40Hz50HzHintThe output frequency of the half-wave rectifier is 50Hz 18). The output frequency of the full-wave rectifier is ________f2f4f8fHintThe output frequency of the full-wave rectifier is equal to 2f 19). The form factor value of the full-wave rectifier is ____________1.112.996.73.88HintThe form factor value of the full-wave rectifier is 1.11 20). The ripple frequency of the half wave-rectifier is around ___________100Hz300Hz400Hz50HzHintThe ripple frequency of the half-wave rectifier is around 50Hz 21). 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 Rectifier 23). The form factor value of the bridge rectifier is ____________1.112.996.73.88HintThe form factor value of the bridge rectifier is 1.11 24). The peak factor value of the half-wave rectifier is _________24816HintThe peak factor value of the half-wave rectifier is 2 25). In which rectifier the center tap transformer is used?Half-waveFull-waveBridgeAll of the aboveHintIn a full-wave rectifier, the center tap transformer is usedBridge Rectifier MCQ's with Answers 26). 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 ____________1.112.991.573.88HintThe form factor value of the half-wave rectifier is 1.57 28). The peak factor value of the half-wave rectifier is _________2√2816HintThe peak factor value of the half-wave rectifier is √2 29). The bridge rectifier is a ______________ converterAC to DCDc to ACBoth a and bNone of the aboveHintThe bridge rectifier is an AC to DC converter 30). In which rectifier the transformer is not required?Half-waveFull-waveBridgeAll of the aboveHintIn a bridge rectifier, the transformer is not required 31). What is the standard form of DBR?Diode Bridge RectifierDual Bridge RectifierDouble Bridge RectifierNone of the aboveHintThe standard form of DBR is Diode Bridge Rectifier 32). 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 rectifierPulse number of a rectifierPulse number of a rectifierNone of the aboveHintThe 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 rectifier 33). The ratio of actual power input to the rectifier divided by apparent power input to the rectifier is known as _________Pulse number of a rectifierPulse number of a rectifierPulse number of a rectifierPower factor of a rectifierHintThe ratio of actual power input to the rectifier divided by apparent power input to the rectifier is known as the power factor of a rectifier 34). The three-phase rectifiers are categorized into __________OneTwoThreeFourHintThe three-phase rectifiers are categorized into two types they are half-wave and bridge rectifiers 35). The peak factor value of full-wave rectifier is _________2√2816HintThe peak factor value of full-wave rectifier is √2 36). The bridge rectifiers are categorized into __________OneTwoThreeFourHintThe bridge rectifiers are categorized into three types they are uncontrolled, fully controlled, and half controlled bridge rectifiers 37). The bridge rectifier consists of __________ devicesDiode bridgeTransformer, regulatorsFilteringAll of the aboveHintThe bridge rectifier consists of diodes, transformer, regulators, and filtering devices 38). How many diodes do single-phase bridge rectifiers consist?OneTwoThreeFourHintThe single-phase bridge rectifier uses four diodes 39). How many diodes do three-phase bridge rectifier uses?OneTwoThreeSixHintThe three-phase bridge rectifier uses six diodes 40). Which one of the following rectifiers has only thyristors?ControlledUncontrolledHalf controlledNone of the aboveHintThe controlled rectifier has only thyristors 41). Which one of the following rectifiers has only thyristor and diodes?ControlledUncontrolledHalf controlledNone of the aboveHintThe half controlled rectifier has only thyristor and diodes 42). The single-phase full-wave uncontrolled rectifier is categorized into _________OneTwoThreeFourHintThe single-phase full-wave uncontrolled rectifier is categorized into two types they are center-tapped and bridge rectifiers 43). Which one of the following is a three-phase full-wave uncontrolled rectifier?3-ϕ half-wave3-ϕ mid-point 6 pulse3-ϕ bridge and 3-ϕ 12 pulseAll of the aboveHintThe 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 rectifiers 44).The power factor value of 1- ϕ full-wave rectifier center tapped is ___________OneTwoThreeFourHintThe power factor value of 1- ϕ full-wave rectifier center tapped is one 45). Which one of the following rectifiers has only diodes?ControlledUncontrolledHalf controlledNone of the aboveHintThe uncontrolled rectifier has only diodes 46). What are the advantages of a 3-ϕ uncontrolled rectifier?High-efficiencyLower amplitude ripplesHigher frequencyAll of the aboveHintThe advantages of 3-ϕ uncontrolled rectifiers are it has high efficiency, lower amplitude ripples, and higher frequency 47). The ripple factor value of a 3-ϕ half-wave rectifier is ___________1.20.1777.89.0HintThe ripple factor value of 3-ϕ half-wave rectifier is 0.177 48). The form factor value of 3-ϕ half-wave rectifier is ____________1.20.1777.81.732HintThe form factor value of 3-ϕ half-wave rectifier is 1.732 49). 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 ____________1.0090.1777.81.732HintThe form factor value of 3-ϕ mid-point 6 pulse rectifier is 1.009Bridge Rectifier MCQ's for Interviews 51). 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 ___________1.20.4047.89.0HintThe ripple factor value of 3-ϕ bridge rectifier is 0.404 53). 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 _________0.18.94.30.9541HintThe TUF value of 3-ϕ bridge rectifier is 0.9541 55). The ripple frequency of 3-ϕ bridge rectifier is ___________360 degrees180 degrees120 degrees90 degreesHintThe ripple frequency of 3-ϕ bridge rectifier is 120 degrees 56). The ratio of peak value divided by RMS value is known as ________Peak factorForm factorTUFNone of the aboveHintThe ratio of peak value divided by RMS value is known as peak factor 57). The ratio of ripple voltage divided by pure DC voltage is known as _________Peak factorForm factorTUFRipple factorHintThe ratio of ripple voltage divided by pure DC voltage is known as ripple factor 58). The ratio of DC output power divided by AC input power is known as _________Peak factorForm factorRectifier efficiencyRipple factorHintThe ratio of DC output power divided by AC input power is known as rectifier efficiency 59). The ratio of DC power delivered to load divided by the AC rating of the transformer is known as ____________Peak factorForm factorTUFRipple factorHintThe ratio of DC power delivered to load divided by the AC rating of the transformer is known as the transformer utilization factor 60). The ratio of RMS value of current divided by DC output current is known as _______Peak factorForm factorTUFRipple factorHintThe ratio of RMS value of current divided by DC output current is known as the form factor 61). The maximum value of alternating quantity divided by RMS value of an alternating quantity is known as ________Peak factorForm factorTUFRipple factorHintThe maximum value of alternating quantity divided by RMS value of an alternating quantity is known as the peak factor 62). The transformer utilization factor is low in ______ rectifierHalf-waveFull-waveBridgeNone of the aboveHintThe transformer utilization factor is low in a half-wave rectifier 63). In which one of the following rectifiers the efficiency is low?Half-waveFull-waveBridgeNone of the aboveHintIn a half-wave rectifier the efficiency is low 64). In which one of the following rectifier designs is easy?Half-waveFull-waveBridgeNone of the aboveHintIn half-wave rectifier design is easy 65). The transformer can saturate in ____________ rectifierHalf-waveFull-waveBridgeNone of the aboveHintThe transformer can saturate in a half-wave rectifier 66). The PIV of the diode is low in _______ rectifierHalf-waveBridgeBoth a and bNone of the aboveHintThe PIV of the diode is low in both half-wave and bridge rectifiers 67). The ripple factor is poor in ________ rectifierHalf-waveBridgeBoth a and bNone of the aboveHintThe ripple factor is poor in a half-wave rectifier 68). The ratio of peak value divided by RMS value is known as __________ factorTUFCrestPeakNone of the aboveHintThe ratio of peak value divided by RMS value is known as crest factor 69). The voltage across the diode is high in ___________ rectifierBridgeCenter tappedBoth a and bNone of the aboveHintThe voltage across the diode is high in the bridge rectifier 70). In which of the following rectifier, the voltage regulations are good?BridgeCenter tappedBoth a and bNone of the aboveHintIn bridge rectifier, the voltage regulations are good 71). In which of the following rectifier, the circuit complexity is more?BridgeCenter tappedBoth a and bNone of the aboveHintIn bridge rectifier, the circuit complexity is more 72). The ratio of DC output power divided by an AC output power is known as _________TUFCrestPeakEfficiencyHintThe ratio of DC output power divided by an AC output power is known as efficiency 73). What is the standard form of SCR?Silicon Controlled RectifierSilicon Uncontrolled RectifierSimple Controlled RectifierNone of the aboveHintThe standard form of SCR is Silicon Controlled Rectifier 74). Which one of the following is an uncontrolled rectifier?DiodesThyristorsBoth a and bNone of the aboveHintThe diodes are the uncontrolled rectifiers 75). Which one of the following is a controlled rectifier?DiodesThyristorsBoth a and bNone of the aboveHintThe thyristors are the controlled rectifiersBridge Rectifier MCQ's for Exams 76). What are the advantages of a bridge rectifier?More efficientRipple factor value is lessBoth a and bNone of the aboveHintThe bridge rectifiers are more efficient and it has less ripple factor value 77). Which one of the following is a bridge rectifier diode?1N40071N54086A4 diodesAll of the aboveHintThe 1N4007, 1N5408, 6A4 diodes are the bridge rectifier diodes 78). The maximum recurrent peak reverse voltage value of the 6A4 bridge rectifier diode is _________100V200V300V400VHintThe maximum recurrent peak reverse voltage value of the 6A4 bridge rectifier diode is 400V 79). The maximum reverse voltage of the 6A4 bridge rectifier diode is _________100V280V300V400VHintThe maximum reverse voltage of the 6A4 bridge rectifier diode is 280V 80). The maximum DC breaking voltage of the 6A4 bridge rectifier diode is _______100V280V300V400VHintThe maximum DC breaking voltage of the 6A4 bridge rectifier diode is 400V 81). The maximum repetitive peak reverse voltage value of the 1N5048 bridge rectifier diode is ________1000V280V300V400VHintThe maximum repetitive peak reverse voltage value of the 1N5048 bridge rectifier diode is 1000V 82). The maximum average forward rectified current of 6A4 bridge rectifier diode is _______6A28A30A40AHintThe maximum average forward rectified current of 6A4 bridge rectifier diode is 6A 83). The maximum RMS voltage of 1N5048 bridge rectifier diode is _________1000V700V300V400VHintThe maximum RMS voltage of 1N5048 bridge rectifier diode is 700V 84). The maximum DC blocking voltage of 1N5048 bridge rectifier is _________1000V700V300V400VHintThe maximum DC blocking voltage of 1N5048 bridge rectifier is 1000V 85). The maximum average forward rectified current of 1N5048 bridge rectifier diode is _______3A28A30A40AHintThe maximum average forward rectified current of 1N5048 bridge rectifier diode is 3A 86). The operating junction and storage temperature range of 1N5048 bridge rectifier diode is ___________)-5 to +150 deg centigrade-5 to -150 deg centigrade5 to +150 deg centigradeNone of the aboveHintThe operating junction and storage temperature range of the 1N5048 bridge rectifier diode is -5 to +150 deg centigrade 87). During the positive half of the input cycle the diode d1 and d3 are _______Forward biasReverse biasD1 is forward and d3 is reverse biasNone of the aboveHintDuring the positive half of the input cycle the diode d1 and d3 are forward biased 88). During the positive half of the input cycle the diode d4 and d2 are _______Forward biasReverse biasD1 is forward and d3 is reverse biasNone of the aboveHintDuring the positive half of the input cycle the diode d4 and d2 are reverse biased 89). During the negative half of the input cycle the diode d4 and d2 are _______Forward biasReverse biasD1 is forward and d3 is reverse biasNone of the aboveHintDuring the negative half of the input cycle the diode d4 and d2 are forward biased 90). During the negative half of the input cycle the diode d1 and d3 are _______Forward biasReverse biasD1 is forward and d3 is reverse biasNone of the aboveHintDuring the negative half of the input cycle the diode d1 and d3 are reverse biased 91). The diodes in a rectifier aligned in a ________ configurationCircleSquareDiamondNone of the aboveHintThe diodes in a rectifier aligned in a diamond configuration 92). In half-wave rectifier, for the half-cycle, the output voltage is ________ZeroOneInfinityNone of the aboveHintIn half-wave rectifier, for the half-cycle, the output voltage is zero Read more about Half Wave Rectifier 93). 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 efficiencyLow power deliveryLess TUFAll of the aboveHintThe single-phase rectifiers has low efficiency, low power delivery, and less TUF value 95). The SCR or thyristor is a ________ layer semiconductor deviceSingleDoubleMultiNone of the aboveHintThe SCR or thyristor is a multi-layer semiconductor device 96). The single-phase rectifier used for ___________Consumer electronic devicesHousehold appliancesBoth a and bNone of the aboveHintIn consumer electronic devices, household appliances, etc the single-phase rectifiers are used 97). Which one of the following rectifiers is cheaper?Half-waveFull-waveBoth a and bNone of the aboveHintThe half-wave rectifier is cheaper compared to full-wave rectifier 98). In _________ rectifier the output is discontinuousHalf-waveFull-waveBoth a and bNone of the aboveHintIn a half-wave rectifier, the output is discontinuous 99).When source voltage is positive in bridge rectifier then d1 and d2 diodes ________ConductBlockD1 conduct and d2 blockNone of the aboveHintWhen source voltage is positive in bridge rectifier then d1 and d2 diodes conducts whereas diode d3 and d4 block 100). When source voltage is negative in bridge rectifier then d1 and d2 diodes ________ConductBlockD1 conduct and d2 blockNone of the aboveHintWhen 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