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Ideal Diode Question and Answers

June 27, 2022 By WatElectronics

This article lists 40 Ideal Diode MCQs for engineering students. All the Ideal Diode Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up on the fundamentals of Ideal Diode.

A semiconductor is made of terminals known as Anode and Cathode. This component allows the current to flow in one direction.  Due to this less than zero resistance is offered in one direction and in the other direction, the resistance value is infinite.

The ideal diode is enacted as a 'Perfect conductor for forwarding voltages' and as a ‘perfect insulator for reverse voltages’. It has both the characteristics of conductor and insulator based on the application of voltages.

Practically used diodes are termed Real diodes. There is a basic difference between real and ideal ones. A diode that starts conducting for the 'forward voltages' applied is termed an ideal diode. But real diodes begin conduction once the applied voltage crosses the cut-in voltage is termed a real diode.

Ideal diodes don’t have Breakdown voltage because the resistance offered to reverse voltage is infinite. But the conventional diodes have breakdown voltages. They have constant and fixed drops of voltage.

1). How ideal diode responds to forward voltages?

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2). How ideal diode responds to reverse voltages?

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3). In Ideal diode, the current proceed in ______?

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4). Will the diode permit reverse currents ideally?

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5).What happens if the current is passed in reverse mode?

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6). Ideal diode offers _______ for applied forward potential?

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7). Ideal diode offers ______ resistance in reverse biasing condition?

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8). What is the threshold for ideal diode?

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9).What is the amount of reverse current passed through diode ideally?

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10). Is there any Depletion region present in ideal diode?

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11). The forward currents in ideal diodes is _______?

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12). How diode circuit behaves in forward mode ideally?

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13). What are the conditions that describe ideal diode characteristics in reverse mode?

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14). How diode circuit behaves in reverse mode ideally?

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15). What are the conditions that describe ideal diode characteristics in forwarding mode?

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Ideal Diode MCQs for Interviews

16). Ideal diodes behave as __________ switch?

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17). How many terminals ideally a diode have?

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18). Anode is the ______ terminal?

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19). How ideally the diode is represented in forward mode?

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20). How ideally the diode is represented in reverse mode?

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21). Ideal diode I-V curve is ________?

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22). Ideal type diodes don’t have _______ voltage?

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23). Ideal type diodes have ______ forward currents?

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24). What is the basic responsibility of a Ideal diode?

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25). For what currents Ideal diodes conduct?

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26). What is considered true for Ideal diodes?

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27). What is the potential drop value of Ideal diodes in forward mode?

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28). What is the amount of current in the circuit flows considering the circuit is ideal?

Diode Forward Bias

Diode Forward Bias

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29). Calculate Diode current & voltage of the circuit if voltage at base 5volts & R=1 Kohms?

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30). Calculate Current value for the given circuit?

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Ideal Diode MCQs for Exams

31). If V1=2V and V2= -4V, find the value of the voltage at the output for ideal type diodes?

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32). If V1=-2V and V2= -4V, find the value of the voltage at the output for ideal type diodes?

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33). Diodes used in _____?

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34). What material is used to make diode?

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35). What are the various models of diode?

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36). What are the units used in the measurement of forward current & Reverse currents in diode (ideal)?

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37). If the value of resistance is 10 K ohms V1=5Volts, V2= -4 Volts. What is the current value for the diode (ideal)?

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38). What is the amount of voltage at the output in the given circuitry?

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39). If the source of current generates 1 milli Amps of current with resistance R as 2ohms. Find the potential value of the diode (Ideal)?

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40). In practice, the diodes in ideal form _____?

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