Diode Circuits MCQ’s

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This set of Electronic Devices & Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Diode Circuits”.

(Q.1-Q.4) For the given circuits and input waveform determine the output waveform


1. 

electronic-devices-circuits-questions-answers-diode-circuits-q2
electronic-devices-circuits-questions-answers-diode-circuits-q2a

a

a)

b)

c)

d)

2. 

electronic-devices-circuits-questions-answers-diode-circuits-q3
electronic-devices-circuits-questions-answers-diode-circuits-q3a

a)

b)

c)

d)

3. 

electronic-devices-circuits-questions-answers-diode-circuits-q1
electronic-devices-circuits-questions-answers-diode-circuits-q1a

a)

b)

c)

d)

4. 

electronic-devices-circuits-questions-answers-diode-circuits-q4
electronic-devices-circuits-questions-answers-diode-circuits-q4a

electronic-devices-circuits-questions-answers-diode-circuits-q4b

a)

b)

c)

d)

5. For the circuit shown diode cutting voltage is Vin = 0. The ripple voltage is to be no more than vrip = 4 V. The minimum load resistance, that can be connected to the output is (in kilo ohm)

electronic-devices-circuits-questions-answers-diode-circuits-q6

a) 6.25
b) 12.5
c) 25
d) 30


6. The maximum load current that can be drawn is

electronic-devices-circuits-questions-answers-diode-circuits-q5

a) 1.4 mA
b) 2.3 mA
c) 1.8 mA
d) 2.5 mA

7. The circuit inside the box in fig. P3.1.31. contains only resistor and diodes. The terminal voltage vo is
connected to some point in the circuit inside the box. The largest and smallest possible value of vo most nearly to is respectively

electronic-devices-circuits-questions-answers-diode-circuits-q7

a) 15 V, 6 V
b) 24 V, 0 V
c) 24 V, 6 V
d) 15 V, 9 V

8. The Q-point of the zener diode in the circuit shown below is

electronic-devices-circuits-questions-answers-diode-circuits-q8

a) (0.34 mA, 4 V)
b) (0.34 mA, 4.93 V)
c) (0.94 mA, 4 V)
d) (0.94 mA, 4.93 V)

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