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23 June, 12:05

2) A lamp is plugged into a standard 120-volt outlet. If the lamp draws a current of 0.5-amps, how much energy is consumed in 1 minute?

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  1. 23 June, 13:30
    0
    Power = (voltage) x (current)

    Power = (120 V) x (0.5 Amp)

    Power = 60 watts

    Energy = (power) x (time)

    Energy = (60 watts) x (60 seconds)

    Energy = 3,600 watt-seconds

    Energy = 3,600 Joules
  2. 23 June, 13:46
    0
    A.) 3600 joules

    Explanation:

    Energy or work is power x time. Power is voltage x current. So, work is the product of voltage, current, and time. But time must be measured in seconds. So. the energy is (120) (0.5) (60) = 3600 joules
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