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Electronic Principles

Electronic Principles
The basic unit of measurement for resistance is the:

watt
ampere
volt
None of these
ohm

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Electronic Principles
Doubling the diameter of the coil in an inductor:

reduces the value of inductance by one-fourth
None of these
multiplies the value of inductance by two
multiplies the value of inductance by four
reduces the value of inductance by one-half

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Electronic Principles
The Norton current is sometimes called the

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

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Electronic Principles
The number of free electrons and holes in intrinsic semiconductor increases when the temperature

Decreases
Increases
Stays the same
None of these
0oC

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

99.3 Ohm
70.7Ohm
250 Ohm
None of these
60 Ohm

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Electronic Principles
A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?

24 V
4.73
0.4 V
None of these
600 V

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