Question
What does a switch do in the working of a torch ?
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Answer
In the working of a torch, a switch provides conducting link between the cell (or a battery) and the bulb. When torch is made "on", current flows through the bulb and so it glows.
→ When the switch is made "off", current stops flowing through the bulb and so it does not glow anymore.
→ When the switch is made "off", current stops flowing through the bulb and so it does not glow anymore.
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