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An RC-circuit , with R=600kOmega and C=1...

An RC-circuit , with `R=600kOmega` and `C=10muF` , is connected to a 5.0-V battery until the capacitor is fully charged . Then , the battery is suddenly replaced with a new 3.0-V battery of opposite polarity . At what time (in seconds) after this replacement will the energy stored in the capacitor be zero ? (given that `e~~8/3`)

Text Solution

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The correct Answer is:
`00006.00`
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An RC- circuit, with R = 600kOmega and C = 10muF , is connected to a 5.0-V battery unit the capacitor is fully charged. Then, the battery is suddenly replaced with a new 3.00-V battery of opposite polarity. At what time after this replacement will the energy stored in the capacitor be zero ? (given that e ~~ (8)/(3) )

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Knowledge Check

  • An RC- circuit, with R = 600kOmega and C = 10muF , is connected to a 5.0-V battery unit the capacitor is fully charged. Then, the battery is suddenly replaced with a new 3.00-V battery of opposite polarity. At what time after this replacement will the energy stored in the capacitor be zero ? (given that e ~~ (8)/(3) )

    A
    `12 s`
    B
    `6 s`
    C
    `3 s`
    D
    `1.5 s`

  • A capacitor of capacitance C is initially charged to a potential difference of V volt. Now it is connected to a battery of 2V with oppoiste polarity. The ratio of heat generated to the final enegry stored in the capacitor will be

    A
    `1.75`
    B
    `2.25`
    C
    `2.5`
    D
    `1//2`

  • A capacitor of capacity 10muF is subjected to charge by a battery of 10 V. Calculate the energy stored in the capacitor.

    A
    `2xx10^(-7)J`
    B
    `3xx10^(-5)J`
    C
    `5xx10^(-4)J`
    D
    `8xx10^(-6)J`