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Question: Answered & Verified by Expert
The ratio of electric field intensity at P & Q in the shown arrangement is


PhysicsElectrostaticsNEET
Options:
  • A 1 :2
  • B 2 :1
  • C 1 :1
  • D 4 :3
Solution:
1922 Upvotes Verified Answer
The correct answer is: 1 :1
EP=kqr2

EQ=kq2r2+k3q2r2=4kq4r2

Because the charges are positive on both the spheres so electric field at point Q is in the same direction, so they added algebraically

EP :EQ=1 :1

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