Electronic Principles
Reducing the amount of current through an inductor:

reduces the value of inductance by one-half
has no effect on the inductance
None of these
multiplies the value of inductance by four
multiplies the value of inductance by two

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Electronic Principles
The peak value of a sine waveform is:

the maximum positive or negative value
the amplitude at 1.41 times the maximum value
the amplitude at 90% of the maximum value
the amplitude at 70.7% of the maximum value
None of these

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