Electrostatics Question 299

Question: Electric charges q,q,−2q are placed at the corners of an equilateral triangle ABC of side l . The magnitude of electric dipole moment of the system is [MP PMT 1994]

Options:

A) ql

B) 2ql

C) 3ql

D) 4ql

Show Answer

Answer:

Correct Answer: C

Solution:

pnet=p2+p2+2ppcos⁡60∘=3p=3ql (Q p = ql)

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