Two unknown resistances are connected in two gaps of a meter-bridge. The null point is obtained at
from left end. A
resistance is connected in series with the smaller of the two resistances, the null point shifts by
to the right end. The value of smaller resistance in
is
Text Solution
Verified by ExpertsThe correct answer is:
B

… ..(i)

… ..(ii)
From (i) and (ii)


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
The resistances in left and right gap of a meter bridge are and respectively. When the resistance…
A potentiometer wire of length is connected in series with a battery. The emf of a cell balances a…
In potentiometer experiment, null point is obtained at a particular point for a cell on potentiomet…
In balanced meter bridge, the resistance of bridge wire is . Unknown resistance is connected in l…
The resistivity of potentiometer wire is metre and its area of cross-section is . If 0.2 ampere c…
In the following network, the current flowing through resistance is