The electrical energy consumed is 0.3 kWh.
The electrical energy consumed is determined by taking the product of the electric power and the time of energy usage.
The electrical energy consumed is calculated as follows;
E = Pt
where;
E = 1.2 kW x 0.25 h
E = 0.3 kWh
Thus, the electrical energy consumed is 0.3 kWh.
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