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13 June, 18:18

A TV draws 0.867 A of current when connected to a 122 V outlet. It's resistance is 140.71.

A.) How many electrons pass through the TV per minute?

B.) How much electrical energy does the TV convert to other forms of energy

per minute?

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Answers (1)
  1. 13 June, 18:26
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    current measures charge flowing per second.

    A current of. 867 A means charge of. 867 coulomb is flowing per second

    charge flowing per minute =.867 x 60

    = 52.02 coulomb

    one electrons carries a charge of 1.6 x 10⁻¹⁹ Coulomb

    So no of charge flowing per minute

    = 52.02 / 1.6 x 10⁻¹⁹

    = 32.5 x 10¹⁹.

    B)

    electrical energy consumed per minute

    = V X I X t, V is volt, I is current and t is time.

    = 122 x. 867 x 60

    = 6346.44 J.
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