⚡Electrical Engineering MCQs
Electrical Engineering MCQs
499 MCQs181
A 2-transistor class B power amplifier is commonly called ______________ amplifier?
ADual
BPush-pull
CSymmetrical
DDifferential
182
A power amplifier has comparatively __________________ ß ?
ASmall
BLarge
CVery large
DNone of the above
183
Low efficiency of a power amplifier results in_________________?
ALow forward bias
BLess battery consumption
CMore battery consumption
DNone of the above
184
When a transistor is cut off _________________?
AMaximum voltage appears across transistor
BMaximum current flows
CMaximum voltage appears across load
DNone of the above
185
If the zero signal dissipation of a transistor is 1W, then power rating of the transistor should be at least___________________?
A5 W
B33 W
C75 W
D1 W
186
The output stage of a multistage amplifier usually employs______________?
APush-pull amplifier
BPreamplifier
CClass A power amplifier
DNone of the above
187
The size of a power transistor is made considerably large to________________?
AProvide easy handling
BDissipate heat
CFacilitate connections
DNone of the above
188
Class _____________ operation gives the maximum distortion?
AA
BB
CC
DAB
189
The output stage of a multistage amplifier usually employs _________________?
APush-pull amplifier
BPreamplifier
CClass A power amplifier
DNone of the above
190
The inputs of a NAND gate are connected together. The resulting circuit is _______________?
AOR gate
BAND gate
CNOT gate
DNone of the above