Question

electric due to axial line​

Answer 1

Answer:

Axial line is the line which is passing through the positive and negative charges and the point lies on that line is called the axial point.

Hope ! answer helps you ...

Answer 2

$\huge\mathfrak\red{answer}$

Let P be a point on the axial line of the dipole. ... Since it is a positive charge, the direction of electric field E+q will be along the direction of dipole moment (away from the charge). The magnitude of electric field due to the charge -q will be E−q=kq(r+a)2