Physics-
General
Easy
Question
A uniform electric field of 100 V/m is directed at 30° with the positive 
-axis as shown in figure. Find the potential difference 
if OA=2 m and OB=4 m.
volt
volt
volt
volt
volt
volt
volt
volt
The correct answer is: volt
Related Questions to study
physics-
A neutral conducting spherical shell is kept near a charge q as shown. The potential at point P due to the induced charges is 
A neutral conducting spherical shell is kept near a charge q as shown. The potential at point P due to the induced charges is
physics-General
physics-
If the electric potential of the inner metal sphere is 10 volt & that of the outer shell is 5 volt, then the potential at the centre will be :
If the electric potential of the inner metal sphere is 10 volt & that of the outer shell is 5 volt, then the potential at the centre will be :
physics-General
physics-
A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
Find the inner sphere is earthed, what is the charge on it.
A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
Find the inner sphere is earthed, what is the charge on it.
physics-General
physics-
A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
What would be the final distribution of charges if the spheres are joined by a conducting wire.
A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
What would be the final distribution of charges if the spheres are joined by a conducting wire.
physics-General
physics-
A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
Find the electric field between the spheres at a distance 
from the centre of the inner sphere. [R<r<3R].
A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
Find the electric field between the spheres at a distance from the centre of the inner sphere. [R<r<3R].
physics-General
physics-
Electrostatic force on a charged particle is given by 
If q is positive 
and if q negative 
Question : In the figure 
Block A is neutral while 
Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated
The amplitude of oscillation of the combined mass will be :
Electrostatic force on a charged particle is given by If q is positive and if q negative
Question : In the figure Block A is neutral while Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated
The amplitude of oscillation of the combined mass will be :
physics-General
physics-
Electrostatic force on a charged particle is given by If q is positive and if q negative
Question : In the figure Block A is neutral while Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated
Equilibrium position of the combined mass is at x=……….m.
Electrostatic force on a charged particle is given by If q is positive and if q negative
Question : In the figure Block A is neutral while Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated
Equilibrium position of the combined mass is at x=……….m.
physics-General
physics-
Electrostatic force on a charged particle is given by If q is positive and if q negative
Question : In the figure Block A is neutral while Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated
If collision between A and B is perfectly inelastic, what is velocity of combined mass just after collision ?
Electrostatic force on a charged particle is given by If q is positive and if q negative
Question : In the figure Block A is neutral while Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated
If collision between A and B is perfectly inelastic, what is velocity of combined mass just after collision ?
physics-General
physics-
A negative point charge placed at the point A is
A negative point charge placed at the point A is
physics-General
physics-
Two fixed charges 4Q (positive) and Q (negative) are located at A and B, the distance AB being 3 m.
Two fixed charges 4Q (positive) and Q (negative) are located at A and B, the distance AB being 3 m.
physics-General
physics-
The charge per unit length of the four quadrant of the ring is 
and 
respectively. The electric field at the centre is
The charge per unit length of the four quadrant of the ring is and respectively. The electric field at the centre is
physics-General
physics-
Charge density of the given surface is s. Then electric field strength at the centre (of quarter sphere) is
Charge density of the given surface is s. Then electric field strength at the centre (of quarter sphere) is
physics-General
physics-
An equilateral triangle wire frame of side L having 3 point charges at its vertices is kept in x-y plane as shown. Component of electric field due to the configuration in z direction at (0,0, L) is [origin is centroid of triangle]
An equilateral triangle wire frame of side L having 3 point charges at its vertices is kept in x-y plane as shown. Component of electric field due to the configuration in z direction at (0,0, L) is [origin is centroid of triangle]
physics-General
physics-
The direction (q) of 
at point P due to uniformly charged finite rod will be
The direction (q) of at point P due to uniformly charged finite rod will be
physics-General
physics-
Four equal positive charges are fixed at the vertices of a square of side L. Z-axis is perpendicular to the plane of the square. The point z=0 is the point where the diagonals of the square intersect each other. The plot of electric field due to the four charges, as one moves on the z-axis.
Four equal positive charges are fixed at the vertices of a square of side L. Z-axis is perpendicular to the plane of the square. The point z=0 is the point where the diagonals of the square intersect each other. The plot of electric field due to the four charges, as one moves on the z-axis.
physics-General
