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  • An ideal gas is filled is a closed rigid and thermally insulated container. A coil of <img alt="500\Omega" src="https://entrancecorner.oncodecogs.com/gif.latex?500%5C

An ideal gas is filled is a closed rigid and thermally insulated container. A coil of 500\Omega resistor carrying current 2A for 5 minutes suppler, heat to the gas. The change is internal energy of the gas is

Option: 1

600J


Option: 2

600 KJ


Option: 3

10 KJ


Option: 4

100J


Answers (1)

\phi=\Delta U and \phi =1^2 R T \\
                              =2 \times 2 \times 500 \times (5 \times 60 sec) \\

                              =600000 \mathrm{~J}

                              =600 \mathrm{KJ}

 

Posted by

Kshitij

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