An unknown resistance 
is connected in series with a resistance of 
. This combination is connected to one gap of a meter bridge while a resistance 
is connected in the other gap. The balance point is at 50 cm. Now, when the 
resistance is removed the balance point shifts to 40 cm. The value of 
is (in ohms)
Text Solution
Verified by ExpertsThe correct answer is:
A
…… .(i)
…… ..(ii)
From Eqs. (i) and (ii), we get
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
What is the least count of the vernier caliper?
What is the least count of commonly available vernier?
When the zero mark on the vernier scale lies towards the right side of the zero mark of the main sc…
When the zero mark on the vernier scale lies towards the left side of the zero mark of the main sca…
If observed reading is OR, corrected reading is CR, zero error is ZE and zero correction is ZC , th…
When the jaws of a standard vernier are together, the 6th main scale division coincides with the 7t…