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Electronic Devices and Circuits

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
Power diodes are generally

None of these
Germanium diodes
Either of the above
Silicon diodes

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Electronic Devices and Circuits
Light dependent resistors are

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

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Electronic Devices and Circuits
At room temperature the current in an intrinsic semiconductor is due to

Holes
Electrons
Ions
Holes and electrons

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Electronic Devices and Circuits
In monolithic ICs, all the components are fabricated by

Evaporation
Oxidation
Diffusion process
None

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Electronic Devices and Circuits
A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is

99
0.99
1.01
100

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