A few electric field lines for a system of two charges $Q_1$ and $Q_2$ fixed at two different points on the $x$ -axis are shown in the figure. These lines suggest that:-
A few electric field lines for a system of two charges $Q_1$ and $Q_2$ fixed at two different points on the $x$ -axis are shown in the figure. These lines suggest that:-
- A
$|Q_1| = |Q_2|$
- B
$|Q_1| < |Q_2|$
- C
at a finite distance to the left of $Q_1$ the electric field is zero
- D
at a finite distance to the right of $Q_2$ the electric field is zero
Similar Questions
A point charge $ + q$ is placed at the centre of a cube of side $L$. The electric flux emerging from the cube is
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- [AIPMT 1996]
When the electric flux associated with closed surface becomes positive, zero or negative ?
When the electric flux associated with closed surface becomes positive, zero or negative ?
Assertion : Electric lines of force never cross each other.
Reason : Electric field at a point superimpose to give one resultant electric field.
Assertion : Electric lines of force never cross each other.
Reason : Electric field at a point superimpose to give one resultant electric field.
- [AIIMS 2002]
An electric line of force in the $xy$ plane is given by equation ${x^2} + {y^2} = 1$. A particle with unit positive charge, initially at rest at the point $x = 1,\;y = 0$ in the $xy$ plane
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- [IIT 1988]
A rectangular surface of sides $10 \,cm$ and $15 \,cm$ is placed inside acyniform electric field of $25 \,V / m$, such that the surface makes an angle of $30^{\circ}$ with the direction of electric field. Find the flux of the electric field through the rectangular surface .................. $Nm ^2 / C$
A rectangular surface of sides $10 \,cm$ and $15 \,cm$ is placed inside acyniform electric field of $25 \,V / m$, such that the surface makes an angle of $30^{\circ}$ with the direction of electric field. Find the flux of the electric field through the rectangular surface .................. $Nm ^2 / C$