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    Darksiders's Avatar
    Darksiders Posts: 1, Reputation: 1
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    #1

    Jun 25, 2011, 11:50 PM
    Circuit analysis
    ]In need some help because I don't know how to answer,please

    1) the energy that is stored in a (25 microFard) capacitor is w(t)=12sin^2 377t J. Find the current in the capacitor

    2) the voltage across a (100 microFard) capacitor is given by the expression v(t)=120sin(377t)V. Find (a)the current in the capacitor and (b)the expression for the energy stored in the element.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jun 26, 2011, 02:35 AM

    What are the formulae that you know which you think can help you?
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