MCQ
Consider the circuit shown in fig. The current through the $10\,\Omega $ resistor when switch $'s'$ is $(a)$ open $(b)$ closed.


- A$\frac{1}{{10}}A,\frac{2}{{10}}A$
- B$\frac{3}{{10}}A,\frac{1}{{10}}A$
- ✓$\frac{1}{{10}}A,\frac{3}{{10}}A$
- DNone


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Reason : For a non-uniformly charged thin circular ring with net charge zero, the electric potential at each point on axis of the ring is zero.
