Electrostatics Question 177

Question: Three equal charges are placed on the three corners of a square. If the force between q1 and q2 is F12 and that between q1 and q3 is F13 , the ratio of magnitudes F12F13 is [MP PET 1993]

Options:

A) 1/2

B) 2

C) 1/2

D) 2

Show Answer

Answer:

Correct Answer: B

Solution:

F12=14πε0q2a2 and F13=14πε0q2(a2)2

therefore F12F13=2



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