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If E(a) be the electric field strength o...

If `E_(a)` be the electric field strength of a short dipole at a point on its axial line and `E_(e)` that on the equatorial line at the same distance, then

A

`E_(a)=E_(r)`

B

`E_(a)=2E_(r)`

C

`E_(r)=2E_(a)`

D

`E_(r)=2E_(a)`

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