The angle between the electric lines of force and the equipotential surface is
$45$
$90$
$180$
$0$
Electric field is always perpendicular to $EPS$.
$S_1$ and $S_2$ are two equipotential surfaces on which the potentials are not equal. Which of the statement is incorrect ?
Show that the direction of electric field at a given is normal to the equipotential surface passing through that point.
Three infinitely long linear charges of charge density $\lambda $ , $\lambda $ and $-2\lambda $ are placed in space. A point in space is specified by its perpendicular distance $r_1 , r_2 $ and $ r_3$ respectively from the linear charges. For the points which are equipotential
Which of the following figure shows the correct equipotential surfaces of a system of two positive charges?
Two charges $2 \;\mu\, C$ and $-2\; \mu \,C$ are placed at points $A$ and $B\;\; 6 \;cm$ apart.
$(a)$ Identify an equipotential surface of the system.
$(b)$ What is the direction of the electric field at every point on this surface?
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