Question

A charged ring of radius 0.5 m has 0.002 m gap. If the ring carries a charge of +1 C, the electric field at the center is :

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A

B

C

D

Hard
Solution
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Correct option is B)

Charge on the element opposite to the gap is



Suppose charge is also present in the gap then electric field at the center will be zero. Now, if charge is not present in the gap, the

electric field at center would be because of the rest of the ring, which

should be equal and opposite to the field produced due to charge in the gap



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