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30 June, 17:45

Find the equivalent capacitance of a 4.20 uf capacitor and an 8.50 uf in parallel and in series

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  1. 30 June, 21:03
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    We are given that there are two capacitors:

    4.20 uf

    8.50 uf

    A. In parallel

    The equivalent capacitance of capacitors is similar to calculating that of a current, they are added when in parallel. Therefore the equivalent capacitance is:

    equivalent capacitance = C1 + C2 + C3 + ...

    equivalent capacitance = 4.20 uf + 8.50 uf

    equivalent capacitance = 12.70 uf

    B. In series

    When the capacitors are placed in series, the formula for the equivalent capacitance is:

    equivalent capacitance = 1 / (1/C1 + 1/C2 + 1/C3 + ...)

    equivalent capacitance = 1 / (1/4.20 + 1/8.50)

    equivalent capacitance = 2.81 uf
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