Question

No spam correct ans only plz.

Ans is C
I want complete soln ..
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Answer 1

Explanation:

cos 45° cancel each other....beacuse they are in opposite direction and sin 45° is 1/√2 then electric field is -kp√2/r^3 vector j........ negative is due to beacuse in equitorial direction of electric field and electric dipole is opposite.........so option c.

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