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Electronic Principles

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

0.083333333333333
7200 A
180 A
None of these
0.5A

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Electronic Principles
How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?

0.955 A
None of these
0.02 A
0.41666666666667
2.02 A

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Electronic Principles
A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding?

50 A
0.20833333333333
None of these
20 A

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Electronic Principles
When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a:

parallel RC circuit
purely resistive circuit
parallel RLC circuit operated above its resonant frequency
parallel RL circuit
None of these

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

None of these
2
1
4

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Electronic Principles
How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

None of these
80 W
0.24 W
0.625 W
325 kW

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