Electrostatics Question 163
Question: Four charges are arranged at the corners of a square $ ABCD $ . The force on the charge kept at the centre O is [NCERT 1983; BHU 1999]
Options:
A) Zero
B) Along the diagonal $ AC $
C) Along the diagonal $ BD $
D) Perpendicular to side $ AB $
Show Answer
Answer:
Correct Answer: C
Solution:
We put a unit positive charge at O. Resultant force due to the charges placed at A and C is zero and resultant force due to B and D is towards D along the diagonal BD.
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