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March 28, 2017

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The resistance of a bagel toaster is 15 Ω. To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster?

  • Physics - ,

    P = V^2/R = 120^2/15 = 960 Watts.

    Energy = P * t = 960 * 60s = 57,600 Watt-seconds.

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