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Electronic Principles

Electronic Principles
How much current flows through a 60-W light bulb that is operating at 120 V?

0.5A
7200 A
180 A
None of these
0.083333333333333

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Electronic Principles
A device that converts mechanical into electrical energy is?

None of these
solar cell
generator
thermocouple
chemical cell

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Electronic Principles
What causes the depletion layer?

None of these
Recombination
Ions
Doping
Barrier potential

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Electronic Principles
What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?

220 ohm
None of these
150 ohm
445 ohm
690 ohm

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Electronic Principles
The rotating coil of wire in an electric motor is called the:

commutator
brush
armature
None of these
loop

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Electronic Principles
The net charge of a neutral copper atom is

1
4
-1
None of these

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