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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

None of these
Either of the above
Germanium diodes
Silicon diodes

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Electronic Devices and Circuits
The amount of photoelectric emission current depends on

Both frequency and intensity of incident radiation
Frequency of incident radiation
Intensity of incident radiation
None of these

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

100 A
10 A
20 A
1 A

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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
At room temperature the current in an intrinsic semiconductor is due to

Electrons
Holes
Holes and electrons
Ions

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Electronic Devices and Circuits
In a bipolar transistor, the emitter base junction has

Zero or reverse bias
Forward bias
Reverse bias
Zero bias

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