Physics · Thermal Effects of Electric Current
A room heater and an electric bulb both convert electrical energy into heat, but why does only the bulb emit significant visible light?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The heater is made of a non-metallic material
- 2The bulb's filament reaches a much higher temperature, emitting visible light✓
- 3The circuit design is different
- 4The heater uses magnetic effect instead of heating effect
Correct answer
The bulb's filament reaches a much higher temperature, emitting visible light
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