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Electronic Devices and Circuits

Electronic Devices and Circuits
Light dependent resistors are

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

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Electronic Devices and Circuits
When avalanche breakdown occurs covalent bonds are not affected.

True
False

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Electronic Devices and Circuits
In the sale of diamonds the unit of weight is carat. One carat is equal to

100 mg
500 mg
150 mg
200 mg

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Electronic Devices and Circuits
Free electrons exist in

Third band
Second band
Conduction band
First band

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Electronic Devices and Circuits
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.

False
True

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

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

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