Test: N Junction Diode


25 Questions MCQ Test Basic Electronics Engineering for SSC JE (Technical) | Test: N Junction Diode


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Attempt Test: N Junction Diode | 25 questions in 50 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study Basic Electronics Engineering for SSC JE (Technical) for Electrical Engineering (EE) Exam | Download free PDF with solutions
QUESTION: 1

The piecewise linear V - I characteristic of a diode is shown in the given figure. When the applied voltage is 6V the current through the diode will be

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QUESTION: 2

The change in barrier potential of a silicon p-njunction with temperature is

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QUESTION: 3

 Which of the following is NOT associated witha p-n junction

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QUESTION: 4

The junction capacitance of a p-n junctiondepends on

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QUESTION: 5

In a p-junction, the space charge capacitance is proportional to V-n where V is the applied bias
voltage and 'n' is a constant. the value of 'n' fior step, linearly graded and diffused junctions would be respectively –

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QUESTION: 6

The diffusion capacitance of a p-n junction diode

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QUESTION: 7

Which junction has least junction capacitance/

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QUESTION: 8

When a junction diode is used in switchingapplications, the forward recovery time is

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QUESTION: 9

Silicon is preferred for manufacturing zener diodebecause it

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QUESTION: 10

A zener diode, when used in voltage stabilizationcircuits, is biased in

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QUESTION: 11

Which one of the following statements is correct? A tunnel diode is always biased

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QUESTION: 12

The values of voltage (VD) across a tunnel- diode corresponding to peak and valley currents are VP and VV respectively. The range of tunnel – diode voltage VD for which the slope of its I - VD characteristic is negative would be

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QUESTION: 13

A PIN diode is

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QUESTION: 14

Intermediate (l) layer of PIN - diode impartswhich one of the following features to a pnjunction diode ?

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QUESTION: 15

A PIN diode is frequently used as a

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QUESTION: 16

A step - recovery diode

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QUESTION: 17

Write the incorrect statement. A Schottky diode

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QUESTION: 18

Schottky harrier can be used as

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QUESTION: 19

The following is not an application of varactordiode ?

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QUESTION: 20

For harmonic generation, the diode that can beused is

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QUESTION: 21

A semiconductor photodiode uses:

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QUESTION: 22

Avalanche breakdown results basically due to

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QUESTION: 23

Zener breakdown results are applied

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QUESTION: 24

In P-N diode, with the increase in the magnitudeof reverse bias, the reverse saturation current l0.

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QUESTION: 25

The p-region has a greater concentration of __________ as compared to the n-region in a P-N junction.

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