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Standard XII

Physics

Charges on Conductors

A circular ri...

Question

A circular ring of charge with radius $b$ has total charge $q$ uniformly distributed around it. What is the magnitude of the electric field at the center of the ring?

0

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k_{e} q / b^{2}

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k_{e} q^{2} / b^{2}

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k_{e} q^{2} / b

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none of those

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Solution

The correct option is E $0$
The equal-magnitude radially directed field contributions add to zero.

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A circular ring of charge with radiusb has total charge q uniformly distributed around it. What is the magnitude of the electric field at the center of the ring?

The correct option is E 0The equal-magnitude radially directed field contributions add to zero.

A circular ring of charge with radius $b$ has total charge $q$ uniformly distributed around it. What is the magnitude of the electric field at the center of the ring?

The correct option is E $0$
The equal-magnitude radially directed field contributions add to zero.