Carson posted an Question
June 30, 2020 • 18:11 pm 30 points
  • IIT JAM
  • Physics (PH)

Switch s, applies battery voltage to the four resistors in the bridge. to balance the bridge the value of r, is varied. balance is indicated by zero current in

Switch S, applies battery voltage to the four resistors in the bridge. To balance the bridge the value of R, is varied. Balance is indicated by zero current in galvanometer G when switch S is closed. Q9. Rz. an unkniown resistor R/R2, ratio arm Ri, standard resistor V S. Then the value of R, is (c) R,R (d) R, +R M R R (a) ,R R. = R, (b) R, = R O O(b) O O d)

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    Chandra prakash best-answer

    see attached file it's very helpful for you dear

    cropped-40746038.jpg
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    I hope you got it

    eduncle-logo-app

    see attached file it's very helpful for you

  • comment-profile-img>
    Dhairya sharma

    from the concept of Wheatstone bridge ... option a is correct

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    Ruby negi best-answer

    option a is correct using wheatstone bridge concept...

  • comment-profile-img>
    Ghost. Best Answer

    option(a) is correct, i recommend you to read about whetstone bridge and others equivalent circuits, here i am attaching the solution for your reference, Regards.

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