A stand-by generator is connected to fifteen 40 W lamps and musician's 600 W amplifying system. How much energy is used if the generator runs for 6 hours?
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Correct Answer: Option B
Explanation:
Total power = (15 x 40) + 600
= 1200 watts
Energy(kWh) = \(\frac{1200}{1000}\) x 6
= 7.2 kwH
Total power = (15 x 40) + 600
= 1200 watts
Energy(kWh) = \(\frac{1200}{1000}\) x 6
= 7.2 kwH