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What is the magnitude of a point charge ...

What is the magnitude of a point charge due to which the electric field 30 cm away has the magnitude 2 ? `[1//4piepsilon_0=9xx10^9N-m^2//c^2]`

A

`2xx10^-11C`

B

`3xx10^-11C`

C

`5xx10^-11C`

D

`9xx10^-11C`

Text Solution

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The correct Answer is:
A
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