Q 1431456322.     A charged capacitor of `5 xx 10^(-2)` F capacity is discharged through a resistor of `20.0` and a copper voltmeter of internal resistance `30`omh connected in series. If `4.62 xx 1 0^5` kg copper is deposited then the heat generated in the resistor `R` is ( `z = 3.3 xx 10^(-7)` kg/c)

A

`780` Joule

B

`784` Joule

C

`790` J

D

`784` J

HINT

`q = m/z `
0
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