Electrical Engineering MCQs

Page No. 84

The input control parameter of a JFET is __________________?


agate voltage

✓


bsource voltage

✖


cdrain voltage

✖


dgate current

✖


View Answer gate voltage

A MOSFET can be operated with________________?


anegative gate voltage only

✖


b positive gate voltage only

✖


cpositive as well as negative gate voltage

✓


dnone of the above

✖



In a p-channel JFET, the charge carriers are _____________?


aelectrons

✖


bholes

✓


cboth electrons and holes

✖


dnone of the above

✖


View Answer holes

A JFET is similar in operation to ___________ valve?


adiode

✖


bpentode

✓


c triode

✖


d tetrode

✖


View Answer pentode

The gate of a JFET is ___________ biased?


areverse

✓


bforward

✖


c reverse as well as forward

✖


d none of the above

✖


View Answer reverse

A JFET has three terminals, namely________________?


acathode, anode, grid

✖


bemitter, base, collector

✖


c source, gate, drain

✓


dnone of the above

✖



When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage?


adecreases

✖


b increases

✖


cremains constant

✓


dnone of the above

✖


View Answer remains constant

A JFET is also called____________ transistor?


aunipolar

✓


bbipolar

✖


cunijunction

✖


dnone of the above

✖


View Answer unipolar

The input impedance of a JFET is _____________that of an ordinary transistor?


aequal to

✖


bless than

✖


cmore than

✓


dnone of the above

✖


View Answer more than

An integrating circuit is a simple RC series circuit with output taken across ______________?


a Both R and C

✖


b R

✖


c C

✓


dNone of the above

✖


View Answer C

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