A ring of charge with radius 0.5m has 0....

A ring of charge with radius `0.5m` has `0.002 pi` m gap. If the ring carries a charge of `+1 C` the electric field at the center is

`7.5xx10^(7)NC^(-1)`

`7.2xx10^(7)NC^(-1)`

`6.2xx10^(7)NC^(-1)`

`6.5xx10^(7)NC^(-1)`

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