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11 May, 10:53

A 12-VV car battery is rated at 80 ampere-hours, meaning it can supply 80 AA of current for 1 hour before it becomes discharged. Part A If you accidentally leave the headlights on until the battery discharges, how much charge moves through the lights

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  1. 11 May, 11:19
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    288000 C

    Explanation:

    Charge: This is defined as the product of current and time in an electric circuit. The S. I unit of charge is Coulombs (C)

    From the question,

    The expression for charge is given as

    Q = It ... Equation 1

    Where Q = The amount of charge that move through the light, I = current supplied, t = time.

    Given: I = 80 A, t = 1 hour = 1*60*60 = 3600 s

    Substitute into equation 1

    Q = 80 (3600)

    Q = 288000 C.

    Hence the amount of charge that moves from the lights = 288000 C
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