Negative feedback is employed in __________________?
A. Oscillators
B. Rectifiers
C. Amplifiers
D. None of the above
Month: December 2018
The voltage gain of a transistor connected in common collector arrangement is____________?
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?
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 feedback circuit usually employs _________________ network?
A. Resistive
B. Capacitive
C. Inductive
D. None of the above
The power gain in a transistor connected in___________arrangement is the highest?
The power gain in a transistor connected in___________arrangement is the highest?
A. common emitter
B. common base
C. common collector
D. none of the above
The input impedance of a transistor connected in___________arrangement is the highest?
The input impedance of a transistor connected in___________arrangement is the highest?
A. common emitter
B. common collector
C. common base
D. none of the above
The value of ß for a transistor is generally____________?
The value of ß for a transistor is generally____________?
A. 1
B. less than 1
C. between 20 and 500
D. above 500
When current feedback (negative) is applied to an amplifier, its input impedance _____________?
When current feedback (negative) is applied to an amplifier, its input impedance _____________?
A. Is decreased
B. Is increased
C. Remains the same
D. None of the above
If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately________________?
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?
The gain of an amplifier with feedback is known as____________gain?
A. Resonant
B. Open loop
C. Closed loop
D. None of the above