Question

An electric bulb of 40 Wis used for 50 days at 5
bour per day. Find the unit of energy consumed
by tbe bulb and the cost of using electricity at
the rate Rs. 3 per.
unit​

Answer 1

Hlo mate here is ur ans.....

Bulb Rating = 40 W = .04 kW

Bulb Rating = 40 W = .04 kWBulb illuminates for = 10hrs/day

Bulb Rating = 40 W = .04 kWBulb illuminates for = 10hrs/dayBulb consumes units( kWH)/day= .04×10= .4 kWH/ day = .4 units/ day

Bulb Rating = 40 W = .04 kWBulb illuminates for = 10hrs/dayBulb consumes units( kWH)/day= .04×10= .4 kWH/ day = .4 units/ dayIn 30 days = .4×30 = 12 units

Bulb Rating = 40 W = .04 kWBulb illuminates for = 10hrs/dayBulb consumes units( kWH)/day= .04×10= .4 kWH/ day = .4 units/ dayIn 30 days = .4×30 = 12 units1 unit cost = 250/-

Bulb Rating = 40 W = .04 kWBulb illuminates for = 10hrs/dayBulb consumes units( kWH)/day= .04×10= .4 kWH/ day = .4 units/ dayIn 30 days = .4×30 = 12 units1 unit cost = 250/-12 units cost = 250×12 = 3000/-..

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