Physics, asked by keerthana016, 1 year ago

what is rate of consumption of electric energy called??

Answers

Answered by sourasghotekar123
0

Answer:

Power of an appliance is defined as the rate of energy consumed by that appliance i.e energy consumed in the circuit per unit time. ∴ Power P=tE. SI unit of power is Watt (W).

Explanation:

Power of an appliance is defined as the rate of energy consumed by that appliance i.e energy consumed in the circuit per unit time.

P = I^2 R

∴ Power P=tE. SI unit of power is Watt (W).

Electric power is essentially the rate, described per unit time, at which electrical energy or electricity is passed or transferred by an electric circuit. Power can be measured in different units. The SI unit for the measurement of power is Watt; 1 watt is equal to one joule per second.

When electric charges, positive or negative, move through a potential difference of some value, from a higher voltage to a lower voltage, that is, when conventional current, called as positive charge, moves from the positive terminal of circuit to its negative terminal, work is done by the respective charges on the device.

 The potential energy of these charges due to the voltage difference between the terminals of the circuit is converted to the kinetic energy of the device. These devices are known as passive components or loads, because they consume electric power from the circuit and convert it into the other forms of energy such as heat, light, or mechanical work.

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