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Electronic Devices and Circuits

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

1 A
10 A
100 A
20 A

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

5 eV
10 eV
0.78 eV
2 eV

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Electronic Devices and Circuits
For a NPN bipolar transistor, what is the main stream of current in the base region?

Diffusion of electrons
Drift of holes
Drift of electrons
Diffusion of holes

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

Holes and electrons
Holes
Electrons
Ions

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

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

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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
200 mg
150 mg
100 mg

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