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Why does power depend on voltage and current in an electric circuit?

April 26, 2017circuit depend electric Mathematics power voltage

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Why does power depend on voltage and current in an electric circuit?

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Think about Voltage as the pump that drives the current round the circuit and the Current as the flow. How large the current flow is will depend on how big the pump is and the Resistance in the path of the current flow. So Power is the combination of the voltage level and the current energy to overcome the resistance against those two elements.