a thin half ring of radius R=20cm is uniformly charged with total charge q=0.70nC. find the magnitude of the electric field strength at the carvature centre of the half ring.

1 Answers

Akash Anand ·

I have discussed this question in the last class. Just use the formula (E=2KQR2 sinθ2θ)
Just Put Q as your total Charge, θ as π/2, and K as 9x109. you will get the result.

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