In a transistor if ß = 100 and collector current is 10 mA, then IE is___________?
A. 100 mA
B. 100.1 mA
C. 110 mA
D. none of the above
Month: December 2018
The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is___________?
The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is___________?
A. 0o
B. 180o
C. 90o
D. 270o
The phase difference between the input and output voltages of a transistor connected in common collector arrangement is_____________?
The phase difference between the input and output voltages of a transistor connected in common collector arrangement is_____________?
A. 1800
B. 00
C. 900
D. 2700
When voltage feedback (negative) is applied to an amplifier, its input impedance _______________?
When voltage 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
Emitter follower is used for________________?
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_____________?
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____________?
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?
Emitter follower is a _______________circuit?
A. Voltage feedback
B. Current feedback
C. Both voltage and current feedback
D. None of the above
An emitter follower has ______________input impedance?
An emitter follower has ______________input impedance?
A. Zero
B. Low
C. High
D. None of the above
The most commonly used semiconductor in the manufacture of a transistor is_____________?
The most commonly used semiconductor in the manufacture of a transistor is_____________?
A. germanium
B. silicon
C. carbon
D. none of the above