Carson Asked a Question
June 30, 2020 6:11 pmpts 30 pts
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 dhawan thankyou
    see attached file it's very helpful for you dear
    • cropped-40746038.jpg
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    Chandra dhawan
    I hope you got it
  • Dhairya sharma
    from the concept of Wheatstone bridge ... option a is correct
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  • Ruby negi thankyou
    option a is correct using wheatstone bridge concept...
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  • 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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