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Electrostatics

A tiny dipole of dipole moment p is placed at a distance r from an infinetely long wire with its p normal to the wire. If the linear charge density of the wire is h, the electrostatic force of attraction acting on the dipole is equal to

Profile image of Krishnan Rajagopalan
14 Years agoGrade
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2 Answers

Profile image of MOHAMMAD HAMMAD AKHTAR
14 Years ago

Ans = 0

Profile image of Rahul Kumar
14 Years ago

if dipole length is 2a, dipole moment is p, relative permitivity ε & force is f than

f=hlp/4πε(r2+a2)3/2