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400 J of heat is produced in 4 s in a 4 ...

400 J of heat is produced in 4 s in a 4 `Omega` resistor. Find potential difference acroes the resistor.

Text Solution

Verified by Experts

`(V^(2))/(R)xxt=400`
or `V^(2)=400`
or `V=20` Volt .
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