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Three resistors R(1), R(2) and R(3) are ...

Three resistors `R_(1), R_(2) and R_(3)` are connected in parallel and the combination is connected to a battery, an ammeter, a voltmeter and a key. Draw suitable circuit diagram to show the arrangement of these circuit components along with the direction of current flowing.

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Knowledge Check

  • In the circuit shown, n identical resistors R are connected in parallel (n gt 1) and the combination is connected in series to another resistor R0. In the adjoining circuit n resistors of resistance R are all connected in series along with R_0 – The batteries in both circuits are identical and net power dissipated in the n resistors in both circuits is same. The ratio R_(0)//R is

    A
    1
    B
    n
    C
    `n^(2)`
    D
    1/n

  • For three circuits, shown here the same two resistors R_(1) and R_(2) have been connected in parallel in all the circuits but the voltmeter and the ammeter have been connected in three different positions. The relation between the three voltmeter and ammeter readings would be :

    A
    `V_(1) = V_(2) = V_(3)` and `I_(1) = I_(2) = I_(3)`
    B
    `V_(1) ne V_(2) ne V_(3)` and `I_(1) = I_(2) = I_(3)`
    C
    `V_(1) = V_(2) = V_(3)` and `I_(1) ne I_(2) ne I_(3)`
    D
    `V_(1) ne V_(2) ne V_(3)` and `I_(1) ne I_(2) ne I_(3)`

  • A cell, a resistor, a key and an ammeter are arranged as known in the circuit diagrams of figure. The current recorded in the ammeter will be

    A
    maximum in (i)
    B
    maximum in (ii)
    C
    maximum in (iii)
    D
    the same in all the cases

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