Fundamentholfundamenthol
JEE Main2019Physics
Q.

In the experimental set up of metre bridge shown in the figure, the null point is obtained at a distance of 40 cm from A. If a 10 resistor is connected in series with R1, the null point shifts by 10 cm. The resistance that should be connected in parallel with (R1 + 10) such that the null point shifts back to its initial position is: 

  1. A

  2. B

  3. C

  4. D

Solution

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