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Explain the significance of the followin...

Explain the significance of the following in a house circuiting. (i) `kWh` Meter (ii) Main Switch.

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(i) The `kWh` Meter records the electric energy consumed in `kWh`.
(ii) The Main Switch is used to cut the connections of the live as well as natural wires simultaneously, thereby cutting electric supply to the whole house.
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