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4 February, 15:37

an electric bulb drain a current of 0.25A for 20 minutes calculate the amount of electric charge that flows through the circuit

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  1. 4 February, 15:54
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    300 A. s or 300C. The amount of electric charge that flows through an electric bulb that drain a current of 0.25 for 20 minutes is 300 A. s = 300C.

    Current is the amount of charge moving through a cross-sectional area of a conductor per second, and the unit for current is the coulomb/second, or ampere. It is define by the equation I = Δq/Δt.

    Let's clear Δq from I = Δq/Δt:

    20 minutes contains 1200 seconds

    Δq = I Δt = (0.25A) (1200s) =

    Δq = 300 A. s or 300C.
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