Electronic Principles
The rms value of a sine waveform is:

None of these
equal to 0.707 times the peak amplitude
equal to 1.41 times the peak amplitude
the number of cycles completed in one second
the time required to complete one full cycle

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Electronic Principles
One henry of inductance is defined as:

the amount of inductance required to change the frequency of a current by 1 Hz
None of these
the amount of counter emf required to reduce a current to 1 A
the number of turns of wire in an inductor multiplied by the amount of current flowing through it
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second

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