Published by:
CGP EDU Academic Team
Published on: August 14, 2026
An infinite number of concentric rings carry a charge of magnitude 
each alternately positive and negative. Their radii are 
meters i.e. in geometric progression as shown in the figure. The magnitude of potential at the centre of the ring will be (assume all quantities in SI units).
A
Zero
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
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