Ans.(a) Thermal effect
Explanation:
The correct answer is Thermal effect. Electric heaters work on Joule’s Law of Heating, where electric current passing through a conductor converts electrical energy into heat.
Information Booster:
● Used in electric heaters, irons, and geysers.
● More resistance in the conductor leads to more heat production.
● Nichrome wire is commonly used in heating appliances.
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