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Question: Answered & Verified by Expert
A charge q is distributed uniformly on a ring of radius r . A sphere of equal radius r is constructed with its centre at the periphery of the ring. The electric flux through the surface of the sphere is

PhysicsElectrostaticsNEET
Options:
  • A qε0
  • B 2qε0
  • C q2ε0
  • D q3ε0
Solution:
1069 Upvotes Verified Answer
The correct answer is: q3ε0


Q =qeqε0=q3.ε0

If angle at centre is 360° then charge is q

If angle at centre is 120° then charge is q360×120

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