Answer / sagar parekh

1 ton = 12000 btu/hr
= 12000*0.0003929
= 4.175 hp
= 3.5 kw

total hrs of month= 60 hr

kwh=3.5*60=210 units

suppose tariff is 3rupee per unit so final ans. is 630 rupee

I WOULD LIKE NOW WHY WE CANT USE SOME CT FOR MESARING AND PROTECTION

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