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Physics CBSE Live product
Class 8 (2026-27)
Electricity: Magnetic and Heating Effect
Term I Revsion II - Electricity: Magnetic and Heating Effect
3.
Applications of heating effect of electric current
Question:
2
m.
Choose the correct answer below:
1
.
Which of the following appliances works mainly due to the heating effect of electric current?
Ceiling fan
Compass
Electric iron
Torch reflector
2
.
Why does an incandescent torch lamp become warm while glowing?
The battery produces heat outside the lamp
The glass cover becomes hot on its own
It absorbs heat from the surroundings
Electric current heats its filament
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