If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately________________?
(A) 500
(B) 100
(C) 1000
(D) 5000
The gain of an amplifier with feedback is known as____________gain?
(A) Resonant
(B) Open loop
(C) Closed loop
(D) None of the above
Most of the majority carriers from the emitter____________?
(A) recombine in the base
(B) recombine in the emitter
(C) pass through the base region to the collector
(D) none of the above
In a transistor, the base current is about_________of emitter current?
(A) 25%
(B) 20%
(C) 35 %
(D) 5%
A transistor is a___________operated device?
(A) current
(B) voltage
(C) both voltage and current
(D) none of the above
Emitter follower is used for ________________?
(A) Current gain
(B) Impedance matching
(C) Voltage gain
(D) None of the above
In a transistor, signal is transferred from a___________circuit?
(A) high resistance to low resistance
(B) low resistance to high resistance
(C) high resistance to high resistance
(D) low resistance to low resistance
The gain of an amplifier without feedback is 100 db. If a negative feedback of 3 db is applied, the gain of the amplifier will become______________?
(A) 5 db
(B) 300 db
(C) 103 db
(D) 97 db
A transistor is connected in CB mode. If it is not connected in CE mode with same bias voltages, the values of IE, IB and IC will____________?
(A) remain the same
(B) increase
(C) decrease
(D) none of the above