If the electric flux entering and leaving an enclosed surface respectively is ${\phi _1}$ and ${\phi _2}$ the electric charge inside the surface will be
If the electric flux entering and leaving an enclosed surface respectively is ${\phi _1}$ and ${\phi _2}$ the electric charge inside the surface will be
- A
$\left( {{\phi _2} - {\phi _1}} \right){\varepsilon _0}$
- B
$\frac{{\left( {{\phi _1} + {\phi _2}} \right)}}{{{\varepsilon _0}}}$
- C
$\frac{{\left( {{\phi _2} - {\phi _1}} \right)}}{{{\varepsilon _0}}}$
- D
$\left( {{\phi _1} + {\phi _2}} \right){\varepsilon _0}$
Similar Questions
If the electric potential of the inner shell is $10\,V$ and that of the outer shell is $5\,V$ , then the potential at the centre will be.....$V$
If the electric potential of the inner shell is $10\,V$ and that of the outer shell is $5\,V$ , then the potential at the centre will be.....$V$
Electric potential at any point is : $V = -5x + 3y + \sqrt {15} z$ ; then the magnitude of electric field is :-
Electric potential at any point is : $V = -5x + 3y + \sqrt {15} z$ ; then the magnitude of electric field is :-
When a proton is accelerated through $1\,V,$ then its kinetic energy will be........$eV$
When a proton is accelerated through $1\,V,$ then its kinetic energy will be........$eV$
Electric field inside a uniformly charged sphere of radius $R,$ is ($r$ is distance from centre, $r < R$)
Electric field inside a uniformly charged sphere of radius $R,$ is ($r$ is distance from centre, $r < R$)
Two point charges of $ + 2\,\mu C$ and $ + 6\,\mu C$ repel each other with a force of $12\, N$. If each is given an additional charge of $ - 4\,\mu C$, then force will become
Two point charges of $ + 2\,\mu C$ and $ + 6\,\mu C$ repel each other with a force of $12\, N$. If each is given an additional charge of $ - 4\,\mu C$, then force will become