In the following question condition of electric potential and proportionality of their r are given which of the following pair is not correctly paired.
A
Point charge - 
B
Electric dipole 
C
Quadrupole-1/r 
D
Octupole 
Text Solution
Verified by ExpertsThe correct answer is:
D
The octupole potential can be expressed as
Potential due to octupole varies as 
.
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