Q.

The radii of two charged metal spheres are 5 cm and 10 cm both having same charge 75mC. If they are connected by a wire, the quantity of charge transferred through the wire is

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a

25 mC

b

zero

c

50 mC

d

75 mC

answer is A.

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Detailed Solution

Total charge =150mC ; It will distribute in the ratio of radii ie 1:2
Q1 = 50 mC and Q2 = 100 mC
Therefore transferred charge is = 25 mC

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