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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

Germanium diodes
Either of the above
None of these
Silicon diodes

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Electronic Devices and Circuits
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.

False
True

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

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

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

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

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Electronic Devices and Circuits
Permalloy is

A polymer
A conon-ferrous alloy used in aircraft industry
A nickel an iron alloy having high permeability
A variety of stainless steel

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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
1 A
10 A
20 A

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