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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

None of these
Germanium diodes
Silicon diodes
Either of the above

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Electronic Devices and Circuits
In which of these is reverse recovery time nearly zero?

PIN diode
Tunnel diode
Schottky diode
Zener diode

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

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

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Electronic Devices and Circuits
In a semiconductor diode, the barrier offers opposition to

Holes in P-region only
Free electrons in N-region only
Majority as well as minority carriers in both regions
Majority carriers in both regions

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

Forward bias
Zero bias
Zero or forward bias
Reverse bias

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