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To produce 10^(3) Joules of heat in...

To produce `10^(3)` Joules of heat in 10 seconds ,how much voltage should be applied to `100Omega` resistance ?

Text Solution

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`H=10^(3)J`
`t=10S` V=?
`R=100Omega`
`H=(V^(2))/(R)t`
`10^(3)=(V^(2))/(100)xx10`
`V^(2)=10^(4)`
`V=sqrt(10^(4))=10^(2)`
V= 100 Volt .
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