Physics-
General
Easy
Question
In the rectangle, shown below, the two corners have charges and . The work done in moving a charge from B to A is (take )
- 2.8 J
- 3.5 J
- 4.5 J
- 5.5 J
The correct answer is: 2.8 J
Work done where
and
\ = 2.8 J
Related Questions to study
Physics-
Figures below show regular hexagons, with charges at the vertices. In which of the following cases the electric field at the centre is not zero
Figures below show regular hexagons, with charges at the vertices. In which of the following cases the electric field at the centre is not zero
Physics-General
Physics-
In the given figure distance of the point from A where the electric field is zero is
In the given figure distance of the point from A where the electric field is zero is
Physics-General
Physics-
Three charges Q,+q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to
Three charges Q,+q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to
Physics-General
Physics-
A charged particle of mass is held stationary in space by placing it in an electric field of strength directed vertically downwards. The charge on the particle is
A charged particle of mass is held stationary in space by placing it in an electric field of strength directed vertically downwards. The charge on the particle is
Physics-General
Physics-
As shown in the figure, charges +q and -q are placed at the vertices B and C of an isosceles triangle. The potential at the vertex A is
As shown in the figure, charges +q and -q are placed at the vertices B and C of an isosceles triangle. The potential at the vertex A is
Physics-General
Physics-
Three identical point charges, as shown are placed at the vertices of an isosceles right angled triangle. Which of the numbered vectors coincides in direction with the electric field at the mid-point M of the hypotenuse
Three identical point charges, as shown are placed at the vertices of an isosceles right angled triangle. Which of the numbered vectors coincides in direction with the electric field at the mid-point M of the hypotenuse
Physics-General
Physics-
Electric field strength due to a point charge of at a distance of 80 cm from the charge is
Electric field strength due to a point charge of at a distance of 80 cm from the charge is
Physics-General
Physics-
What is the potential energy of the equal positive point charges of each held 1 m apart in air
What is the potential energy of the equal positive point charges of each held 1 m apart in air
Physics-General
Physics-
Four charges are placed on corners of a square as shown in figure having side of . If Q is one microcoulomb, then electric field intensity at centre will be
Four charges are placed on corners of a square as shown in figure having side of . If Q is one microcoulomb, then electric field intensity at centre will be
Physics-General
Physics-
A cube of side b has a charge q at each of its vertices. The electric field due to this charge distribution at the centre of this cube will be
A cube of side b has a charge q at each of its vertices. The electric field due to this charge distribution at the centre of this cube will be
Physics-General
Physics-
The figure shows some of the electric field lines corresponding to an electric field. The figure suggests
The figure shows some of the electric field lines corresponding to an electric field. The figure suggests
Physics-General
Physics-
Equal charges are given to two spheres of different radii. The potential will
Equal charges are given to two spheres of different radii. The potential will
Physics-General
Physics-
In the figure the charge Q is at the centre of the circle. Work done is maximum when another charge is taken from point P to
In the figure the charge Q is at the centre of the circle. Work done is maximum when another charge is taken from point P to
Physics-General
Physics-
Two charge +q and -q are situated at a certain distance. At the point exactly midway between them
Two charge +q and -q are situated at a certain distance. At the point exactly midway between them
Physics-General
Physics-
A metallic solid sphere is placed in a uniform electric field. The lines of force follow the path(s) shown in figure as
A metallic solid sphere is placed in a uniform electric field. The lines of force follow the path(s) shown in figure as
Physics-General