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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

Germanium diodes
None of these
Silicon diodes
Either of the above

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

10 eV
5 eV
2 eV
0.78 eV

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

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

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Electronic Devices and Circuits
The sensitivity of human eyes is maximum at

Red portion of spectrum
Violet portion of spectrum
White portion of spectrum
Green portion of spectrum

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

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

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

500 mg
100 mg
150 mg
200 mg

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MORE MCQ ON Electronic Devices and Circuits

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