Electric charges q, -q, -q and 3q are placed at the comers of a square ABCD of length I was shown in the figure. The magnitude of the electric dipole moment of the system is
A
√2ql
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B
ql
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C
2ql
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D
2√2ql
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Solution
The correct option is C2ql
Magnitude will =9×(2l)=2ql
The magnitude will be the product of charge and length of the between them.