The electrical energy used = 3.11 x 107 J; option A
The energy used is calculated using the formula below:
The total power = 3450 Watts
Total time in seconds = 2.5 × 3600 = 9000 s
Energy used = 3450 × 9000 = 3.11 x 107 J
In conclusion, electrical energy is the product of power and time.
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