Electrical Engineering MCQs

Page No. 129

IC = ß IB +__________?


aICBO

✖


bIC

✖


c ICEO

✓


daIE

✖


View Answer ICEO

_____________ filter circuit results in the best voltage regulation?


achoke input

✓


bcapacitor input

✖


cresistance input

✖


d none of the above

✖


View Answer choke input

The output impedance of a transistor connected in_____________arrangement is the highest?


acommon emitter

✖


bcommon collector

✖


ccommon base

✓


dnone of the above

✖


View Answer common base

A 1,000 V power supply would use_____________ as a filter capacitor?


a paper capacitor

✓


bair capacitor

✖


cmica capacitor

✖


delectrolytic capacitor

✖


View Answer paper capacitor

IC = aIE +____________?


a IB

✖


b ICEO

✖


c ICBO

✓


dßIB

✖


View Answer ICBO

If the PIV rating of a diode is exceeded,_______________?


a the diode conducts poorly

✖


bthe diode is destroyed

✓


cthe diode behaves like a zener diode

✖


dnone of the above

✖



The most widely used rectifier is ________________?


ahalf-wave rectifier

✖


bcentre-tap full-wave rectifier

✖


c bridge full-wave rectifier

✓


dnone of the above

✖



In a pnp transistor, the current carriers are______________?


aacceptor ions

✖


bdonor ions

✖


cfree electrons

✖


dholes

✓


View Answer holes

The PIV rating of each diode in a bridge rectifier is ___________that of the equivalent center-tap rectifier?


a one-half

✓


bthe same as

✖


ctwice

✖


d four times

✖


View Answer one-half

The collector of a transistor is____________doped?


aheavily

✖


bmoderately

✓


c lightly

✖


d none of the above

✖


View Answer moderately

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