The equation E = kq/r^2 applies to: it applies to all objects as long as they ar

Question

The equation E = kq/r^2 applies to: it applies to all objects as long as they are not moving all objects any spherical object any symmetric objects only point like particles Comparing the field of a single point charge with the field of an electric dipole, the fields decrease equally rapidly with distance the field of the point charge decreases more rapidly with distance but only along the dipole axis the field of the point charge decreases less rapidly with distance but only perpendicular to the dipole axis the field of the point charge decreases more rapidly with distance the field of the point charge decreases less rapidly with distance

Explanation / Answer

1.. E = kq/r2 applies only for point charge the magnitude of the electric field (E) produced by a point charge with a charge of magnitude Q, at a point a distance r away from the point charge, is given by the equation E = kQ/r2,

2 answer is decreases less rapidly with distance perpendicular to dipole

in dipole electric field it is inverse of the cube of the distance. Compared to a point charge which only decreases as the inverse of the square of the distance, the dipoles field decreases much faster because it contains both a positive and negative charge.

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