Solid State Switching Circuits Objective Type Questions and Answers

Questions

21 In a multivibrator, we have ………. feedback.

A Negative

B 100 % positive

C Both positive and negative

D None of the above

Answer: 100 % positive

22 If the input to an integrating circuit is a succession of alternating positive and negative pulses of very short duration, the output will be …………… wave

A Rectangular

B Triangular

C Sine

D Square

View Answer

Answer: Square

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23 A negative clipper removes the ……………… half-cycles of the input voltage

A Negative

B Positive

C Both positive and negative

D None of the above

View Answer

Answer: Negative

24 When the transistor (CE arrangement) is in the cut off region, the collector current is ……………..

A ICBO

B ICEO

C (ß + 1) ICEO

D IC(sat)

View Answer

Answer: ICEO

25 When a transistor is used as an amplifier, it is operated in the ……………… region

A Off

B Saturation

C Active

D None of the above

View Answer

Answer: Active

26 One would find a clamping circuit in ………………..

A Receiving antenna

B Radio transmitter

C Radio receiver

D Television receiver

View Answer

Answer: Television receiver

27 The positive clipper is that which removes the …………………. half-cycles of the input voltage.

A Negative

B Positive

C Both positive and negative

D None of the above

View Answer

Answer: Positive

28 When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ……………

A Rectangular

B Sinusoidal

C Sawtooth

D Square

View Answer

Answer: Rectangular

29 For a differentiating circuit to be effective, the RC product should be ………… the time period of the input wave

A Equal to

B 5 times greater than

C 5 times smaller than

D At least 10 times greater than

View Answer

Answer: At least 10 times greater than

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