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Statement I : A balance is obatained a...

Statement I : A balance is obatained at the position of 40 cm othe metere wire ,when `2Omega and 3 Omega` resistances are put in the lift and right gaps respectively of a meter bridge
Statement II : The balanced condition of a Wheatstone bridge is `P//Q=R//S`.

A

Statement I is true ,statement II is true , statement II is a correct explaination for statement I.

B

Statement I is true , statement II is true , statement II is not a correct explanation for statement I.

C

Statement I is true , statement II is false .

D

Statement I is false , statement II is true .

Text Solution

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The correct Answer is:
A
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Resistance in the two gaps of a meter bridge are 10Omega and 30 Omega respectively . If the resistances are interchanged the balance point shifts by

In a meter bridge the balance point is found to the be at 40 cm from one end when the resistor at the end is 15Omega , Find the resistance at the other side .

Knowledge Check

  • Statement I : If the resistance of the first two arms P and Q of a balanced Wheatstone bridge are exchanged , the balanced condition is not disturbed . Statement II : The balanced condition of a Wheatstone bridge is independent of the resistance of the galvanometer used .

    A
    Statement I is true ,statement II is true , statement II is a correct explaination for statement I.
    B
    Statement I is true , statement II is true , statement II is not a correct explanation for statement I.
    C
    Statement I is true , statement II is false .
    D
    Statement I is false , statement II is true .

  • The resistances in the two arms of the meter bridge are 5Omega and ROmega , respectively. When the resistance R is shunted with an equal resistance, the new balance point is at 1.6l_1 .The resistance ‘R’ is

    A
    `10Omega`
    B
    `15Omega`
    C
    `20Omega`
    D
    `25Omega`

  • The resistance of the four arms of a Wheatstone bridge are 1Omega , 3Omega , 2Omega and 6 Omega respectively and the resistance of the galvanometer is 100Omega . The equivalent resistance of the combination is

    A
    `12Omega`
    B
    `1000Omega`
    C
    `2.67Omega`
    D
    `2.4Omega`

    • Similar Questions

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    Draw Wheatstone bridge circuit and write down the balancing condition of it. In a meter bridge the balance point is found to be at 40 cm from one end when the resistor at the end is 10 Omega . Find the resistance at the other side. If the galvanometer and the cell are interchanged at the balance condiotion, would it affect the current through the galvanometer?

    In a metre bridge , null point is obtained at 42.1"cm" on the wire when a 3Omrga resistance is kept in the left gap and a 4Omega resistance in the right gap of the bridge . The null point is shifted towards right by 15.0 cm when the two resistance are interchanged . Determine the end error of the bridge .

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    In a metre bridge experiment , a null point is obtained at a length of 39.8 cm when a 2Omega resistance is placed in the left gap and a 3Omega resistance in the right gap . If the two resistance are interchanged , the null point is obtained at 60.8 cm . Calculated the end errors of the bridge .

    In a wheatstone bridge resistance P , Q , R are connected in the first three arms and the 4 th arm is formed by two resistors S_(1) and S_(2) connected in parallel . What is the balance condition for the bridge ?

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