Physics - Electrostatics Question with Solution | TestHub

PhysicsElectrostaticsElectric Field & ForceHard2 minQB
PhysicsHardinteger

A long uniformly charged wire with linear charge density coulomb is placed in the form of a spiral of outer radius and having a total turns as shown in figure. A dipole of dipole moment is placed along x -axis at point ( ). Find the magnitude of force (in N ) experienced by dipole.

Answer:
1
Solution:

Treat the spiral as turns spread uniformly from to : .

Axial field: ; with : .

Force on the axial dipole: .

N

Stream:JEESubject:PhysicsTopic:ElectrostaticsSubtopic:Electric Field & Force
⏱ 2mℹ️ Source: QB

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