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Electronic Principles

Electronic Principles
What is the algebraic sum of this series of values:+2, -3, -6,+4?

None of these
-3
2
-6

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Electronic Principles
An ideal voltage source has

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

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Electronic Principles
A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?

100 A
0.1 A
None of these
1000 A
0.41666666666667

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Electronic Principles
Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?

1000 W
20 W
200 W
None of these
100 W

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Electronic Principles
1 Microfarad is the same as:

1 million farads
1 million picofarads
1 millionth of a picofarad
None of these
1000 millifarads

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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
325 kW
0.24 W
0.625 W
80 W

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