If the group of light is to be controlled with single switching point then we should use

If the group of light is to be controlled with single switching point then we should use

Right Answer is:

Single pole switch

SOLUTION

Single-Pole Switches:-  A single-pole switch is used where it is desired to control a light or group of lights, or other loads, from one switching point. This type of switch is connected in series with the ungrounded (hot) wire feeding the load.

A single-phase supply will have one live (also called line or phase) wire and one neutral wire. The switch is introduced in the live wire. Any appliance can be connected in place of the lamp. When the switch is closed, the full supply voltage is applied across the device and it operates. When the switch is opened the supply is cut off and the lamp gets switched off.

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