n A basic AC resistive circuit consists of

       A  voltage source

       Conductors

       A  resistive load

n The current is in phase with the applied voltage in a resistive circuit.

n The effective value of AC current or voltages produces the same results as the equivalent DC voltage or current

n The effective values are the most widely used measurement values.

n Ohms's law can be used with all effective values.

n AC voltage or current values are assume to be the effective values if not otherwise specified.