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CBSE Class 7 Answered

Some electrical appliances have elements in them. How do you notice that they have become hot?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Some electrical appliances have elements in them. When they are switched on after connecting to the electric supply their elements becomes red hot and give out heat.
Answered by | 04 Jun, 2014, 03:23: PM
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