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Why do lightbulbs continue to glow after the light is turned off?

Why do lightbulbs continue to glow after the light is turned off?

Grade:9

1 Answers

Vikas TU
14149 Points
10 months ago
Some light switches let through a residue of electricity, even when switched off. ... There is a tiny pick-up of electricity from cables running alongside each other due to electromagnetic induction. This low level induction from the live wire causes the bulb to glow.

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