Communications Systems Glossary
Communications Systems — P
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When the flow of electrons is slowed by a resistance, they must give up some of their energy. The dissipation of energy over time is called P . The P dissipated in a resistance is given by the product of the voltage and the current: that is, P=VI.
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Our book Communications and Information Systems by Michael J. Ryan and Michael R. Frater provides more information on Communications Systems.