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Electronic Principles

Electronic Principles
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

0 V
None of these
60 V
40 V
36 V

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Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

Ideal current source and parallel resistor
None of these
Ideal voltage source and series resistor
Ideal voltage source and parallel resistor
Ideal current source and series resistor

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Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

692.2 Ohm
None of these
844.5 Ohm
1234 Ohm
3890 Ohm

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Electronic Principles
The equivalent of 1 kV is:

None of these
100 mV
1000 mV
1.00 V
1000 V

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Electronic Principles
If a load resistance is 1 kW, a stiff voltage source has a resistance of

Less than 100 k Ohm
At least 10 Ohm
None of these
less than 10 Ohm
More than 100 k Ohm

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Electronic Principles
Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

None of these
200 W
100 W
1000 W
20 W

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