1.

If a current of 0.6 ampere is passed through a wire having resistance 15 Omega for 2 minute, calculate the heat generated in the wire in joule.

Answer»


Solution :`"GIVEN:Current (I) = 0.6 A,"`
Resistance (R) = `15OMEGA`
Time (t) `=2xx60s=120s`
`"To FIND:Heat (H)"`
`"FORMULA:"H=I^(2)Rt`
`"Calculation:From formula,"`
`H=(0.)^(2)xx15xx120`
`=0.30xx15xx120`
`=648J.`


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