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What is power dissipation in a circuit?

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What is power dissipation in a circuit?

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In a circuit, power dissipation refers to the rate at which energy is lost due to resistive elements. For a resistor , the power dissipated is given by. , where is the current through the resistor and is the voltage across th resistor. (In SI units, power is given in units of watts, or joules/second.)

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