The driver stage usually employs_________________?
(A) Class A power amplifier
(B) Push-pull amplifier
(C) Class C amplifier
(D) None of the above
The output signal voltage and current of a power amplifier are 5V and 200 mA; the values being r.m.s. What is the power output ?
(A) 1 W
(B) 2 W
(C) 4 W
(D) None of the above
The push-pull circuit must use ______________ operation?
(A) Class A
(B) Class C
(C) Class B
(D) Class AB
In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?
(A) RC + RL
(B) RC || RL
(C) RL
(D) RC
The phase difference between the output and input voltages of a CE amplifier is _____________?
(A) 180o
(B) 0o
(C) 90o
(D) 270o
If the collector supply is 10V, then collector cut off voltage under d.c. conditions is _______________?
(A) 20 V
(B) 5 V
(C) 2 V
(D) 10 V
The input capacitor in an amplifier is the______________ capacitor?
(A) Coupling
(B) Bypass
(C) Leakage
(D) None of the above
The slope of a.c. load line is ______________ that of d.c. load line?
(A) The same as
(B) More than
(C) Less than
(D) None of the above
A single stage transistor amplifier contains______________ and associated circuitry?
(A) Two transistors
(B) One transistor
(C) Three transistor
(D) None of the above
It is generally desired that a transistor should have_____________________ input impedance?
(A) Low
(B) Very low
(C) High
(D) Very high