Friday

January 30, 2015

January 30, 2015

Posted by **seema** on Saturday, May 1, 2010 at 6:35pm.

a) when only resistance is present in an ac circuit, voltage and current are in phase.

b) on average, the power dissipated by resistor in an ac circuit is zero.

c) for a resistor in an ac cicuit, the current and voltage are 90 degree out of phase.

d) the current and voltage are in phase for a capacitor in an ac circuit.

e) inductors in an ac circuit offer little opposition to current at high frequencies.

- physics -
**bobpursley**, Saturday, May 1, 2010 at 6:37pma is true, always.

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