Current Electricity Charging Discharging Of Capacitors Question 697

Question: A wire has a resistance $ 12\Omega $ . It is bent in the form of a circle. The effective resistance between two points on any diameter is

Options:

A) $ 6\Omega $

B) $ 3\Omega $

C) $ ,12\Omega $

D) $ 24\Omega $

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Answer:

Correct Answer: B

Solution:

[b] Resistance of the wire of a semicircle $

$ For equivalent resistance between two points on any diameter, $ ~6\Omega $ and $ ~6\Omega $ are in parallel.