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An ideal gas is filled in a closed rigid...

An ideal gas is filled in a closed rigid and thermally insulated container. A coil of `100Omega` resistor carrying current 1 A for 5 minutes supplies heat to the gas. The change in internal energy of the gas is

A

`0kJ`

B

`10kJ`

C

`20kJ`

D

`30kJ`

Text Solution

Verified by Experts

The correct Answer is:
D
Volume of ideal gas is constant so `W = PDeltaV = 0`
using FLOT `DeltaQ=DeltaU`
`implies DeltaU=i^(2)Rt=1^(2)xx100xx5xx60`
`=30xx10^(3)=30kJ`\
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