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    Apr 12, 2011, 08:42 AM
    What is the total energy dissipated by the resistor R after the switch is thrown
    What is the total energy dissipated by the resistor R after the switch is thrown?
    Consider the RC circuit in the figure below. The switch was at position a for a long period and it is suddenly switched to position b at time t = 0.

    http://s1.postimage.org/nqpr2v8yf/prob01a_rccircuit.gif

    so I did that What is Vc at time t = 2.00 ms?
    Use the following data : R = 452.5 Ω, C = 4.00 μF, Vb = 3.75 V.
    1.242 V it's correct..
    my problem is with this one :

    ******What is the total energy dissipated by the resistor R after the switch is thrown?
    I did w=-(epsilon^2)*C/2
    I got -2.8125*10^-5 J

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