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Electronic Principles

Electronic Principles
Which one of the following is most likely used for measuring the rate of electron flow?

None of these
Ammeter
Voltmeter
Ohmmeter
Wattmeter

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Electronic Principles
To get the Norton current, you have to

Open the voltage source
Short the load resistor
Short the voltage source
None of these
Open the load resistor

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Electronic Principles
Norton's theorem replaces a complicated circuit facing a load by an

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

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

None of these
0.151 mA
2.02 A
0.995 mA
157 raA

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

40 V
None of these
0 V
60 V
36 V

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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?

0.20833333333333
20 A
None of these
50 A

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