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An electric iron of resistance 20 Omega ...

An electric iron of resistance 20 `Omega` takes a curent of 5 A. Calculate the heat developed in 30s.

Text Solution

Verified by Experts

We know, `H=I^(2)Rt`
`H=5^(2)xx20xx30`
`H=5000` Joules
`rArr H=5` Kilojoules
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