Qstnid -I-7-in Some Old Texts It Is Mentioned That 4π Lines Of Force Originate From Each Unit Positive Charge. Comment On The Statement In View Of The Fact That 4π Is Not An Integer. - 29: Electric Field And Potential

with Solutions -

#7
In some old texts it is mentioned that 4π lines of force originate from each unit positive charge. Comment on the statement in view of the fact that 4π is not an integer.
Ans : 4π is the total solid angle. "4π lines of force" is just a way of stating that the field lines extend uniformly in all directions away from the charge.
Page No 119: