1 kWhis the commercial unit for electrical energy used in electricity boards.Since Power, P=E/t, we can write energy E=P× t thereby representing kWh.The energy ...

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Standard VII

Physics

Measurement and Calculation of Electricity Usage

Define 1 kWh.

Question

Define $1 k W h$ .

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Solution

$1 k W h$ is the commercial unit for electrical energy used in electricity boards.
Since Power, $P = \frac{E}{t}$ , we can write energy $E = P \times t$ thereby representing $k W h$ .
The energy consumed by an electric appliance of $1 k W$ in one hour is equal to $1 k W h$ .

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Define 1kWh.

1kWhis the commercial unit for electrical energy used in electricity boards.Since Power, P=Et, we can write energy E=P×t thereby representing kWh.The energy consumed by an electric appliance of 1kW in one hour is equal to 1kWh.

Define $1 k W h$ .

$1 k W h$ is the commercial unit for electrical energy used in electricity boards.
Since Power, $P = \frac{E}{t}$ , we can write energy $E = P \times t$ thereby representing $k W h$ .
The energy consumed by an electric appliance of $1 k W$ in one hour is equal to $1 k W h$ .