Monday
March 2, 2015

Homework Help: physics

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

which one of the following statements concerning an ac circuit is true?
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.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics, help please! - Can the voltage across any of the three components in ...
physics, help with circuits please! - Can the voltage across any of the three ...
physics - A constant voltage is applied across a circuit. If the resistance in ...
physics - An RLC circuit has voltage supplied to it at a frequency of 13.0 kHz ...
physics - a series RLC circuit has a peak current of 4 A with a frequency of 23 ...
physics/science - An A.c circuit consist of 3uf capacitor and 500ohm resistor in...
physics - a series RLC circuit has a peak current of 4 A with a frequency of 23 ...
physics - a series RLC circuit has a peak current of 4 A with a frequency of 23 ...
physhcs - An A.c circuit consist of 3uf capacitor and 500ohm resistor in series...
Physic - a series RLC circuit has a peak current of 4 A with a frequency of 23 ...

Members