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17 October, 10:36

If the battery of your phone can provide 2 mA of current to your phone and holds a charge of 130 C, how long will it take a fully charged phone to die?

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  1. 17 October, 10:43
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    Answer: 65000 seconds

    Explanation:

    Given that,

    Current (I) = 2 mA

    (Since 1 mA = 1 x 10^-3A

    2 mA = 2 x 10^-3A)

    Charge (Q) = 130 C

    Time taken for a fully charged phone to die (T) = ?

    Recall that the charge is the product of current and time taken.

    i. e Q = I x T

    130C = 2 x 10^-3A x T

    T = 130C / (2 x 10^-3A)

    T = 65000 seconds (time will be in seconds because seconds is the unit of time)

    Thus, it will take a fully charged phone 65000 seconds to die
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