Physics · Electric Current
When electric current flows through an incandescent bulb, the filament glows brightly, but the connecting copper wires do not. What is the reason for this?
- 1The melting point of the connecting wires is lower than that of the filament
- 2The resistance of the filament is significantly higher than that of the connecting wires✓
- 3The current flowing through the wires is less than that through the filament
- 4The connecting wires have higher resistance than the filament
Correct answer
The resistance of the filament is significantly higher than that of the connecting wires
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