a fridge has a power rating of 2kw .it is used for 10 hours each day i

1.	a fridge has a power rating of 2kw .it is used for 10 hours each day in the month of december and january' .if the cost of energy is rs 3 per kwh find the total cost of energy consumed in these 2 months
Answer» $\mathfrak{\large{\underline{\underline{Answer:-}}}}$ ₹ 3720 . $\mathfrak{\large{\underline{\underline{Given:-}}}}$ The POWER rating of fridge is = 2kw. Cost of energy = ₹3 / kwh. $\mathfrak{\large{\underline{\underline{Solution:-}}}}$ Energy disipiated by fridge is given by formula :- $\boxed{\sf{ E = P × T × N}}$ Where E is energy CONSUMED. P is power T is time N is no. of days. Number of days in December and JANUARY = 2 × 31 = 62 days. Energy consumed by fridge = $\bold{E = 2 × 10 × 62 }$ Energy consumed by fridge = 1240 kwh Cost of energy is ₹ 3 / kwh. Cost of energy in these two MONTHS = 3 × 1240 = ₹ 3720 Ans...