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Electric Charges and Fields

  1. A point Q lies on the perpendicular bisector of an electrical dipole of dipole moment p. If the distance of Q from the dipole is r (much larger than the size of the dipole), then the electric field at Q is proportional to​​
    1. p–1 and r–2
    2. p and r–2
    3. p2 and r–3
    4. p and r–3
Correct Option: D

E =
p
4πε0r3

Apparently, E ∝ p  and E ∝
1
∝ r3
r3



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