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Find heat produced in the capacitors aft...

Find heat produced in the capacitors after long time on closing the switch S

A

` 0.0002J`

B

` .000 5J `

C

` 0.00075 J `

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
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Find heat produced in the circuit shown in figure on closing the switch S .

The capactor C_1 in the figure initially carries a charge q_0 . When the i switch S_1 and S_2 are closed, capacitor C_1 is connected to a resistor R and a second capacitor C_2 , which initially does not carry any charge. (a) Find the charges deposited on the capacitors in steady state and the current through R as a function of time. (b) What is heat lost in the resistor after a long time of closing the switch?

Knowledge Check

  • Find heaty produced on closing the switch S

    A
    `0.0002J`
    B
    `0.0005J`
    C
    `0.00075`
    D
    zero

  • For the circuit shown in the diagram find the value of V_a - V_b after long time closing the switch S_1 :

    A
    4V
    B
    8V
    C
    12 V
    D
    16V

  • A coil of self -inductance L and resistance R is connected to a resistance R and a cell of emf E as shown. The switch is kept closed for a long time and then opened. The heat produced in the coil, after opening the switch is

    A
    `LE^(2)//2R^(2)`
    B
    `LE^(2)//4R^(2)`
    C
    `LE^(2)//8R^(2)`
    D
    `2LE^(2)//3R^(2)`

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    The capacitor C_(1) in the figure initially carries a charge q_(0) . When the switch S_(1) and S_(2) are shut, capacitor C_(1) is connected in series to a resistor R and a second capacitor C_(2) , which initially does not carry any charge. If the heat lost in the resistor after a long time of closing the switch is (q_(0)^(2)C_(2))/(kC_(1)(C_(1)+C_(2))) , then Find the value of k .

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