1.

Two electric dipoles of moment P and 64 P are placed in opposite direction on a line at a distance of 25 cm. The electric field will be zero at point between the dipoles whose distance from the dipole of moment P is [MP PET 2003]

A.            5 cm
B.                                      \[\frac{25}{9}\]cm
C.            10 cm                                      
D.            \[\frac{4}{13}\] cm
Answer» B.                                      \[\frac{25}{9}\]cm


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