Question

what is the expression of power of an electric circuit​

Answer 1

For any circuit element, the power is equal to the voltage difference across the element multiplied by the current. ... Power is measured in units of Watts (W), where a Watt is equal to a Joule per second (1 W = 1 J/s).

Answer 2

Electric Power

Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Electric power is usually produced by electric generators, but can also be supplied by sources such as electric batteries.

Electric Power Formula

V = IR Where, R is the resistance in the circuit. V is the potential difference in the circuit. I is the electric current.

The power plant, transformer, transmission line, substations, distribution line, and distribution transformer are the six main components of the power system.

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