An electric heater rated 2.2 kW, 220 V is operated for 2 h. Calculate :
the cost of electricity consumed at a rate of 5.20 per unit.

Explanation

To solve the problem, we will follow these steps:

### Step 1: Identify the given values
- Power rating of the electric heater (P) = 2.2 kW
- Time of operation (t) = 2 hours
- Cost of electricity per unit (rate) = ₹5.20 per kWh

### Step 2: Calculate the energy consumed
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