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Electronic Principles

Electronic Principles
What causes the depletion layer?

Ions
Recombination
None of these
Doping
Barrier potential

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?

224 ohm
89.3 ohm
88.8 ohm
77.7 ohm
None of these

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Electronic Principles
A typical light switch in your home is a:

toggle switch
None of these
rotary switch
knife switch
momentary push button switch

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Electronic Principles
Which is the most widely used semiconductor?

All of these
Germanium
Silicon
Copper
None of these

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

2
4
None of these
1

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Electronic Principles
Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold

22,000 Ohm, 5%
22, 000 Ohm, 10%
220 Ohm, 10%
None of these
220 Ohm, 5%

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