Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 100 V, 100 Hz.
 100 V, 50 Hz.
 100√2 V, 100 Hz.
 50√2 V, 100 Hz.

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Electric Circuits
What is called the instantaneous value of an alternating current?

 The value of alternating quantity at any instant.
 The value of peak quantity at any instant.
 The value of alternating frequency at any instant.
 The value of peak current at any instant.

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