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The resistor of resistance ' R ' is conn...

The resistor of resistance ' R ' is connected to 25 V supply and heat produced in it is 25 J / sec. The value of R is

A

`225 Omega`

B

`1 Omega`

C

`25 Omega`

D

`50 Omega`

Text Solution

Verified by Experts

The correct Answer is:
C

`H=V^(2)/Rt rArr H/t = V^(2)/R rArr 25 =(25)^(2)/R`
`rArr R = 25 Omega`
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