When current feedback (negative) is applied to an amplifier, its output impedance ________________?
(A) Is increased
(B) Is decreased
(C) Remains the same
(D) None of the above
Negative feedback is employed in __________________?
(A) Oscillators
(B) Rectifiers
(C) Amplifiers
(D) None of the above
The voltage gain of a transistor connected in common collector arrangement is____________?
(A) equal to 1
(B) more than 10
(C) more than 100
(D) less than 1
The voltage gain in a transistor connected in___________arrangement is the highest?
(A) common base
(B) common collector
(C) common emitter
(D) none of the above
A feedback circuit usually employs _________________ network?
(A) Resistive
(B) Capacitive
(C) Inductive
(D) None of the above
Emitter follower is used for________________?
(A) Current gain
(B) Impedance matching
(C) Voltage gain
(D) None of the above
When a negative voltage feedback is applied to an amplifier, its bandwidth_____________?
(A) Is increased
(B) Is decreased
(C) Remains the same
(D) Insufficient data
The arrow in the symbol of a transistor indicates the direction of____________?
(A) electron current in the emitter
(B) electron current in the collector
(C) hole current in the emitter
(D) donor ion current
Emitter follower is a _______________circuit?
(A) Voltage feedback
(B) Current feedback
(C) Both voltage and current feedback
(D) None of the above