Electrostatics Question 173

Question: +2C and +6C two charges are repelling each other with a force of 12N . If each charge is given 2C of charge, then the value of the force will be [CPMT 1979; Kerala PMT 2002]

Options:

A) 4N (Attractive)

B) 4N (Repulsive)

C) 8N (Repulsive)

D) Zero

Show Answer

Answer:

Correct Answer: D

Solution:

Resultant charges after adding the -2C be (2+2)=0 and (2+6)=+4C

therefore F=kQ1Q2r2=k×0×4r2=0



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