Electronic Principles
The rms value of a sine waveform is:

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

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Electronic Principles
For a pure capacitor:

ac current lags the voltage by 90 degree
ac current leads the voltage by 90 degree
None of these
ac current is converted to dc voltage
ac current and voltage are exactly in phase

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Electronic Principles
One henry of inductance is defined as:

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

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