Question

If an electric appliance of rating (1000 W, 220 V) is used across 220 V for 1 hr, then the amount

of energy it will consume is​

Answer 1

Answer:

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Explanation:

Given : V = 220 volt, 1000 KVA

Time = 2hrs

(i) In kWh Energy consumed = Pt

= 2000 kWh

(ii) In joule

We know, 1kWh = 3.6 x 106 J

So, 2000 kWh = 2000 x 3.6 x 106/1

= 7.2 x 109 Joule = 7.2 x 109 J