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Electronic Principles

Electronic Principles
Positive ions are atoms that have

Gained an electron
None of these
Lost an electron
Gained a proton
Lost a proton

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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?

100 W
1000 W
20 W
200 W
None of these

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Electronic Principles
A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?

60 Ohm
10 Ohm
50 Ohm
100 Ohm or more
None of these

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Electronic Principles
The emitter diode is usually

Operating in the breakdwon region
None of these
Nonconducting
Reverse-biased
Forward-biased

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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?

1234 Ohm
3890 Ohm
844.5 Ohm
None of these
692.2 Ohm

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Electronic Principles
Doubling the operating voltage of a purely capacitive circuit:

cuts the capacitive reactance in half
multiplies the capacitive reactance by 7
has no effect on the capacitive reactance
doubles the amount of capacitive reactance
None of these

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