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Electronic Principles

Electronic Principles
The barrier potential accross each depletion layer is

20 V
None of these
0.7 V
0.8 V

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Electronic Principles
A real voltage source has

Infinite internal resistance
A small internal resistance
None of these
A large internal resistance
Zero internal resistance

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Electronic Principles
An ideal voltage source has

A load-dependent current
A load dependent voltage
None of these
Zero internal resistance
Infinite internal resistance

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Electronic Principles
Current and voltage are said to be in phase when:

they have the same amplitude and frequency
None of these
their waveforms cross through zero and reach positive and negative peaks at the same time
All of these
their waveforms are both ac or both dc

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Electronic Principles
The basic unit of measurement for resistance is the:

watt
volt
ampere
None of these
ohm

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Electronic Principles
How may valence electrons does a silicon atom have?

4
2
1
None of these

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