1.

a chemical heater is 220v of supply and takes a current of 5a what is the cost of using heater for 50 h when 1 kWh is rs 1.50 ??​

Answer»

USING P=VI

p=220×5=1100 w

2-total ENERGY CONSUMED in 50 hrs

E=p×t

(1100/1000)×50=50Kwh

So COST will be

▶55×1.50

=82.50



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