Physics · Current Electricity
When electric current flows through a bulb, the filament glows brightly, but the connecting copper wires do not glow. What is the reason for this?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Tungsten is the only metal that can emit light when a current flows through it.
- 2The resistance of the filament is significantly higher than that of the connecting wires.✓
- 3The current flowing through the filament is higher than that in the connecting wires.
- 4The resistance of the filament is lower than that of the connecting wires.
Correct answer
The resistance of the filament is significantly higher than that of the connecting wires.
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