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Month: December 2018

A zener diode is used as ______________?

August 11, 2021December 19, 2018 by admin
A zener diode is used as ______________?

A. an amplifier
B. a voltage regulator
C. a rectifier
D. a multivibrator

Categories Semiconductor Diode

The knee voltage of a crystal diode is approximately equal to ________________?

August 11, 2021December 19, 2018 by admin
The knee voltage of a crystal diode is approximately equal to ________________?

A. applied voltage
B. breakdown voltage
C. forward voltage
D. barrier potential

Categories Semiconductor Diode

When the crystal current diode current is large, the bias is ______________?

August 11, 2021December 19, 2018 by admin
When the crystal current diode current is large, the bias is ______________?

A. forward
B. inverse
C. poor
D. reverse

Categories Semiconductor Diode

If the temperature of a crystal diode increases, then leakage current ______________?

August 11, 2021December 19, 2018 by admin
If the temperature of a crystal diode increases, then leakage current ______________?

A. remains the same
B. decreases
C. increases
D. becomes zero

Categories Semiconductor Diode

If the doping level of a crystal diode is increased, the breakdown voltage__________________?

August 11, 2021December 19, 2018 by admin
If the dog level of a crystal diode is increased, the breakdown voltage__________________?

A. remains the same
B. is increased
C. is decreased
D. none of the above

Categories Semiconductor Diode

The ratio of reverse resistance and forward resistance of a germanium crystal diode is about ______________?

August 11, 2021December 19, 2018 by admin
The ratio of reverse resistance and forward resistance of a germanium crystal diode is about ______________?

A. 1 : 1
B. 100 : 1
C. 1000 : 1
D. 40,000 : 1

Categories Semiconductor Diode

A crystal diode has forward resistance of the order of ________________?

August 11, 2021December 19, 2018 by admin
A crystal diode has forward resistance of the order of ________________?

A. kΩ
B. Ω
C. MΩ
D. none of the above

Categories Semiconductor Diode

A crystal diode is used as______________?

August 11, 2021December 19, 2018 by admin
A crystal diode is used as______________?

A. an amplifier
B. a rectifier
C. an oscillator
D. a voltage regulator

Categories Semiconductor Diode

If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is _____________biased?

August 11, 2021December 19, 2018 by admin
If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is _____________biased?

A. forward
B. reverse
C. either forward or reverse
D. none of the above

Categories Semiconductor Diode

The d.c. resistance of a crystal diode is ______________ its a.c. resistance?

August 11, 2021December 19, 2018 by admin
The d.c. resistance of a crystal diode is ______________ its a.c. resistance?

A. the same as
B. more than
C. less than
D. none of the above

Categories Semiconductor Diode
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