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The heat produced (in calories) in a res...

The heat produced (in calories) in a resistance R when a current I amperes flows through it for t seconds is given by the expression

A

`(I^2Rt)/(4.2)`

B

`(IR t^2)/(4.2)`

C

`(4.2 IR)/(t^2)`

D

`(IR^2 t)/(4.2)`

Text Solution

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The correct Answer is:
A
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