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Quiz Series-II

Authored by Dineshkumar B

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University

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Quiz Series-II
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.An SCR behaves as a ……………. switch

Unidirectional

Bidirectional

Mechanical

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2.A DIAC is turned on by ………………

A breakover voltage

Gate voltage

Gate current

None of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3.The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ………………. in its first quadrant

Transistor

SCR

UJT

None of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4.The tunneling phenomena is also known as

Bulk semiconductor phenomena

Auto electronic phenomena

Auto electric phenomena

Esaki phenomena

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5.The varactor is usually

Unbiased

Reverse biased

Forward biased

In the breakdown region

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6.The GaAs is preferred to Si for Gunn diodes because it has

Capability to handle very high power densities

Higher ion mobility

Capability to withstand high voltages

A suitable empty energy band

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7.A MOSFET can be operated with ……………..

negative gate voltage only

positive gate voltage only

positive as well as negative gate voltage

positive gate current only

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