Single Answer MCQ
Q-00019384
What is the principle behind the operation of an electric heater?
1
Induction
2
Joule's heating effect
3
Electromagnetic induction
4
Capacitance discharge
Answer and Solution
Answer
B. Joule's heating effect
Solution:
Electric heaters operate on Joule's heating effect, where electrical energy is converted into thermal energy, which heats the surrounding air or devices.
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