Physics, asked by wwwamangarg54161, 1 year ago

An electric heater draws a current of 10A from a 220v supply what is the cost of using the heater for 5 hours everyday for 30days if the cost of 1 unit is 5.20rupees

Answers

Answered by shaan814
5
I=10A
V=220V
P=VI=220×10=2200watt
power consumed in one day=power ×time=2200×5=11000watt
for 30 days =30×11000=330000 wh=330 kwh
cost for 1 day=5.20rupees
cost for 30 days= 5.20×330=171.6 rupees
Similar questions