Physics

Am i correct?

If a 10.0 kW device pulls 20.0 A of current, what voltage exists across it?

A. 5.0 *10^0 V

B. 5.0 *10^1 V

C. 5.0 *10^2 V

D. 5.0 *10^3 V <---

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  1. Power = VI, compatible units are W, V, A.

    10 kW = V(20 A)

    NOTE: 10 kW = 10000 W

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    posted by MathMate
  2. 10x10^3 W
    10,000/ 2A
    = 5000
    which would be D right?

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    posted by Me and I
  3. i mean its, C :)
    10,000/ 20 A
    = 500

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    posted by Me and I
  4. That's correct!

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    posted by MathMate

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