In a transistor ______________?
A. IC = IE + IB
B. IB = IC + IE
C. IE = IC – IB
D. IE = IC + IB
Month: December 2018
Most of the majority carriers from the emitter____________?
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?
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 transistor is a___________operated device?
A. current
B. voltage
C. both voltage and current
D. none of the above
A transistor has____________?
A transistor has____________?
A. one pn junction
B. two pn junctions
C. three pn junctions
D. four pn junctions
If the output of an amplifier is 10 V and 100 mV from the output is fed back to the input, then feedback fraction is_____________?
If the output of an amplifier is 10 V and 100 mV from the output is fed back to the input, then feedback fraction is_____________?
A. 10
B. 1
C. 01
D. 15
The element that has the biggest size in a transistor is____________?
The element that has the biggest size in a transistor is____________?
A. collector
B. base
C. emitter
D. collector-base-junction
An oscillator produces___________oscillations?
An oscillator produces___________oscillations?
A. Damped
B. Undamped
C. Modulated
D. None of the above
If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?
If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?
A. Positive
B. Zero
C. Negative
D. None of the above
An LC oscillator cannot be used to produce ____________frequencies?
An LC oscillator cannot be used to produce ____________frequencies?
A. High
B. Audio
C. Very low
D. Very high