The temperature inside a refrigerator is...

The temperature inside a refrigerator is `t_2` °C and the room temperature is `t_1` °C. The amount of heat delivered to the room for each joule of electrical energy consumed ideally will be

`(t_(1))/(t_(1) - t_(2))`

`(t_(1) + 273)/(t_1 - t_(2))`

`(t_(2) + 273)/(t_(1) - t_(2))`

`(t_(1) + t_(2))/(t_(1) + 273)`

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