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In the given figure switches S(1) and S(...

In the given figure switches `S_(1) and S_(2)` are in open condition. The resistance across ab when the switches `S_(1) and S_(2)` are closed is ……………… `Omega`.

Answer

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The resistors R_(1),R_(2),R_(3) and R_(4) are connected as shown in the figure. S_(1) and S_(2) are two switches . Discuss the flow of current through the resistors when (1) S_(1) and S_(2) both are closed. (2) S_(1) and S_(2) both are open. (3) S_(1) is closed and S_(2) in open.

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Knowledge Check

  • In the given ciruit Ammeter reading is same when both switches S_(1),S_(2) are closed or opened. The value of resistance R is

    A
    `200Omega`
    B
    `100Omega`
    C
    `400Omega`
    D
    `-300Omega`

  • Figure shows four plates each of plate area A and separated between plates is d. Two switches S_(w_1) and S_(w_2) can activate two batteries in the circuit. Switch S_(w_1) and S_(w_2) are closed, What is the charge on plate 2?

    A
    `3/2 (epsilon_0AV)/(D)`
    B
    `3/2 (epsilon_0AV)/(d)`
    C
    `1/3 (epsilon_0AV)/(d)`
    D
    `4/3(epsilon_0AV)/(d)`

  • In the given circuit, the initial charges on the capacitors are shown in the figure. The charge flown through the switches S_(1) and S_(2) respectively after closing the switches are

    A
    `zero Q_(0)/6`
    B
    `Q_(0)/5,Q_(0)/2`
    C
    `zero, Q_(0)/2`
    D
    `3/5 Q_(0),Q_(0)/6`

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