If you connected 10 of these 12V (10 W) lamps in parallel, to the 12V source, how much current would the source have to supply

Question

If you connected 10 of these 12V (10 W) lamps in parallel, to the 12V source, how much current would the source have to supply

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Hưng Khoa 4 years 2021-07-14T05:48:49+00:00 1 Answers 6 views 0

Answers ( )

  1. Cherry
    0
    2021-07-14T05:50:43+00:00
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    Answer:

    T=8.33A

    Explanation:

    From the question we are told that:

    Number of battery n=10

    Voltage sourceE=12V

    Lamp PowerP=10W

    Generally the equation for Resistance is mathematically given by

     R=\frac{V^2}{P}

     R=\frac{12^2}{10}

     R=14.4ohms

    Therefore

     R_{eq}=\frac{14.4}{10}

     R_{eq}=1.44

    Generally the equation for Current is mathematically given by

     T=\ffrac{V}{Req}

     T=\frac{12}{1.44}

     T=8.33A

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