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Electronic Devices and Circuits

Electronic Devices and Circuits
Light dependent resistors are

Highly doped semiconductor
Either A or B
Intrinsic semiconductor
Lightly doped semiconductor

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Electronic Devices and Circuits
Which of the following could be the maximum current rating of junction diode by 126?

10 A
1 A
20 A
100 A

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Electronic Devices and Circuits
The depletion layer width of Junction

Is increased under reverse bias
Increases with heavy doping
Is independent of applied voltage
Decreases with light doping

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Electronic Devices and Circuits
The forbidden energy gap between the valence band and conduction band will be least in case of

Metals
All of these
Semiconductors
Insulators

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Electronic Devices and Circuits
Forbidden energy gap in germanium at 0 K is about

10 eV
5 eV
0.78 eV
2 eV

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Electronic Devices and Circuits
In a semiconductor diode, the barrier offers opposition to

Holes in P-region only
Majority carriers in both regions
Majority as well as minority carriers in both regions
Free electrons in N-region only

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