Tag: coulomb's law
Questions Related to coulomb's law
The magnitude of the electric field on the surface of a sphere of radius $r$ having a uniform surface charge density $\sigma$ is
Consider a thin spherical shell of radius $R$ consisting of uniform surface charge density $\sigma$. The electric field at a point of distance $x$ from its centre and outside the shell is
Two charged spheres having radii a and b are joined with a wire then the ratio of electric field $\dfrac{E _a}{E _b}$ on their surface is?
Charges $Q _1$ and $Q _2$ are placed inside and outside respectively of an uncharged conducting shell. Their seperation is r.
If we move in a direction opposite to the electric lines of force:
A uniform wire $10 \,cm$ long is carrying a steady current. The potential drop across it is $10V$. The electric field inside it is _____
The electric potential while moving along the lines of force
$E=-\dfrac{dV}{dr}$, here negative sign signified that
The ratio of electric force $ ( F _e ) $ to gravitational force acting between two electrons will be:
Electric potential at ( x, y, z ) is given as $V$= $- x ^ { 2 } y \sqrt { z }$ Find the electrical field at (2 ,1, 1)