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Electronic Principles

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

None of these
0.955 A
0.41666666666667
0.02 A
2.02 A

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Electronic Principles
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

down
nowhere
None of these
up
off the load line

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Electronic Principles
A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage?

24 V
18 V
None of these
30 V
12 V

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

180 A
0.083333333333333
0.5A
None of these
7200 A

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Electronic Principles
The Norton current is sometimes called the

None of these
Thevenin voltage
Thevenin current
Open-load current
Shorted-load current

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Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

None of these
Voltmeter
Wattmeter
Ammeter
Ohmmeter

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