Physics · Electricity

An incandescent electric bulb starts glowing when connected to a circuit because:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Of the presence of air inside it
2External light falls on it
3The filament of the bulb gets heated to a very high temperature due to current✓
4The filament inside completely burns up

Correct answer

The filament of the bulb gets heated to a very high temperature due to current

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