Physics · Current Electricity
When an electric current flows through an incandescent light bulb, the filament glows brightly but the connecting wires do not. This is because:
- 1The resistance of the filament is much higher than that of the connecting wires.✓
- 2The current flowing through the filament is higher than that in the wires.
- 3The connecting wires are made of an insulating material.
- 4The filament melting point is lower than that of the copper wires.
Correct answer
The resistance of the filament is much higher than that of the connecting wires.
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