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Question

An electrical charge of 2 μC is placed at the point (1,2,3). At the point (2,3,4) the electric field and potential will be :

A
6×103NC1 and 6×103JC1
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B
6000NC1 and 60003JC1
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C
6×103NC1 and 33JC1
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D
none of the above
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Solution

The correct option is B 6000NC1 and 60003JC1

The electric field , E=14πϵ0qr2=9×109×2×106(21)2+(32)2+(43)2=6000NC1

and potential, V=14πϵ0qr=9×109×2×106(21)2+(32)2+(43)2=60003NC1


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