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Electronic Principles

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

2.02 A
None of these
157 raA
0.995 mA
0.151 mA

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Electronic Principles
A transistor has how many doped regions?

3
4
1
None of these
2

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

Wattmeter
None of these
Ohmmeter
Voltmeter
Ammeter

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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?

844.5 Ohm
3890 Ohm
692.2 Ohm
1234 Ohm
None of these

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Electronic Principles
What is the smallest number of polarities required for current flow?

One - a negative terminal
Three - negative, positive and neutral terminals
Four - two negative and two positive
Two - a negative terminal and a positive terminal
None of these

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?

Number of lines of force
None of these
Reluctance
Magnetomotive force
Flux density

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