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21 October, 15:18

9. Rank the following from smallest current to largest current.

A. A 1200W microwave connected to 110V outlet.

B. A 1500W water heater connected to 220V outlet.

C. A 100W light bulb connected to 110V outlet.

D. A 2000W oven connected to a 220V outlet.

E. A 40W Light bulb connected to a 12V battery.

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  1. 21 October, 15:43
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    P = VI = > I = P/V

    A. I = 1200/110 = 10.91 A

    B. I = 1500/220 = 6.82 A

    C. I = 100/110 = 0.91 A

    D. I = 2000/220 = 9.09 A

    E. I = 40/12 = 3.33 A

    Arranging from smallest to largest:

    => C - E - B - D - A
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