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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

Silicon diodes
Either of the above
None of these
Germanium diodes

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Electronic Devices and Circuits
Fermi level is the amount of energy in which

Must be given to an electron move to conduction band
A hole can have at room temperature
None of these
An electron can have at room temperature

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Electronic Devices and Circuits
If too large current passes through the diode

Excessive heat may damage the diode
All holes will freeze
All electrons will leave
Diode will emit light

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Electronic Devices and Circuits
For a P-N diode, the number of minority carriers crossing the junction depends on

Rate of thermal generation of electron hole pairs
None of these
Potential barrier
Forward bias voltage

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Electronic Devices and Circuits
An electron in the conduction band

Has lower energy than the electron in the valence band
Jumps to the top of the crystal
Loses its charge easily
Has higher energy than the electron in the valence band

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

200 mg
500 mg
150 mg
100 mg

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