A household refrigerator with a coefficient of performance $1.2$ removes heat from the refrigerated space at the rate of $60\ kJ/min$ .What would be cost of running this fridge for one month ( $30$ days) ....... $Rs.$ (assuming each day it is used for $4$ hours and cost of one electrical unit is $6\ Rs$ .)
A household refrigerator with a coefficient of performance $1.2$ removes heat from the refrigerated space at the rate of $60\ kJ/min$ .What would be cost of running this fridge for one month ( $30$ days) ....... $Rs.$ (assuming each day it is used for $4$ hours and cost of one electrical unit is $6\ Rs$ .)
- A
$180$
- B
$300$
- C
$480$
- D
$600$
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