EC8452-EC-II::Quiz-4-Wave Shaping & MVB Ckts.

A relay is ……….. switch

• A mechanical

• An electronic

• An electro-mechanical

• None of the above

A switch has ........

• One state

• Two states

• Three states

• None of the above

The switch that has the fastest speed of operation is ………….. switch

• Electronic

• Mechanical

• Electromechanical

• None of the above

The most inexpensive switch is ………….. switch

• Electronic

• Mechanical

• Electromechanical

• None of the above

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

• Negative

• 100 % positive

• Both positive and negative

• None of the above

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

• Rectangular

• Triangular

• Sine

• Square

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

• Negative

• Positive

• Both positive and negative

• None of the above

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

• I_CBO

• I_CEO

• (β + 1) I_CEO

• I_C(sat)

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

• Off

• Saturation

• Active

• None of the above

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

• Receiving antenna

• Radio transmitter

• Radio receiver

• Television receiver