Answer :

Here potential difference(V) = 220V, Power (P) = 2.2kW = 2200W, time(t) = 3h

We know that

Electrical energy consumed = P × t = 2.2 ×3 = 6.6 kWh

We have, P = V x I

I = P/V

I = 2200/220

= 10amp

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