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The charge Q( in coulomb) flowing throug...

The charge Q( in coulomb) flowing through a resistance `R=10Omega` varies with time t (in second) as `Q=2t-t^2` . The total heat produced in resistance R is

A

`40/3 J`

B

`20/3 J`

C

`80/3 J`

D

`80/7 J`

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