calculate the electricity bill for 30 days of a house in which bulb 100 watt operate for 6 hours at a fan rated 80 words Of Praise for 10 hours are there refrigerator it 400 watt operates for 24 hours a day assume the cost of energy is 8 for kilowatt hour
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- BULB=100*6=600 Watt=600watt.h
- FAN=80*10watt=800watt.h
- REFRIGERATOR=400*24watt=9600watt.h
- total watt per day=600+800+9600=11000watt.h
- net watt per month=11000*30=330000watt.h
- =330kwatt.h
- =330 unit
- Total bill=(330*8)=2640 Rs
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