The input capacitor in an amplifier is the______________ capacitor?
A. Coupling
B. Bypass
C. Leakage
D. None of the above
Electrical Engineering Mcqs
The slope of a.c. load line is ______________ that of d.c. load line?
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
When an a.c. signal is applied to an amplifier, ,the operating point moves along_________________?
When an a.c. signal is applied to an amplifier, ,the operating point moves along_________________?
A. c. load line
B. c. load line
C. both d.c. and a.c. load lines
D. none of the above
A single stage transistor amplifier contains______________ and associated circuitry?
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?
It is generally desired that a transistor should have_____________________ input impedance?
A. Low
B. Very low
C. High
D. Very high
In the zero signal conditions, a transistor sees _____________ load?
In the zero signal conditions, a transistor sees _____________ load?
A. c.
B. c.
C. both d.c. and a.c.
D. none of the above
The point of intersection of d.c. and a.c. load lines is called________________?
The point of intersection of d.c. and a.c. load lines is called________________?
A. Saturation point
B. Cut off point
C. Operating point
D. None of the above
If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?
If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?
A. 20 kΩ
B. 2 kΩ
C. 10 kΩ
D. 5 kΩ
The output transformer used in a power amplifier is a _____________ transformer?
The output transformer used in a power amplifier is a _____________ transformer?
A. 1:1 ratio
B. Step-up
C. Step-down
D. None of the above
The pulsating d.c. applied to power amplifier causes________________?
The pulsating d.c. applied to power amplifier causes________________?
A. Burning of transistor
B. Hum in the circuit
C. Excessive forward voltage
D. None of the above