Average Power
AC power as a function of time. Since the voltage and current are in phase here, their product is non-negative and fluctuates between zero and I0V0. Average power is (1/2)I0V0.
Source
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"OpenStax College, College Physics. October 29, 2012."
http://cnx.org/content/m42348/latest/?collection=col11406/1.7
OpenStax CNX
CC BY 3.0.