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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?

100 A
20 A
1 A
10 A

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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.

True
False

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Electronic Devices and Circuits
Which one of the following is not a characteristic of a ferroelectric material?

High dielectric constant
Electric dipole moment
No hysteresis
Ferroelectric characteristic only above the curie point

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

2 eV
10 eV
5 eV
0.78 eV

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Electronic Devices and Circuits
The forbidden energy gap between the valence band and conduction band will be least in case of

Semiconductors
All of these
Insulators
Metals

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

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

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