Physics-
General
Easy
Question
Three charges
and 
are placed as shown. S is a spherical Gaussian surface. Electric field at any point on S is
- due to only
- uniform on all the points
- zero on all the points
- due to all charges
only
The correct answer is: due to all charges
Related Questions to study
physics-
Three positive and three negative charges of equal magnitude are placed at the corners of a regular hexagon PQRSTU. If electric field at O due to all the charges is twice the field at O due to a positive charge at R only, the order in which the changes are placed at PQRSTU is
Three positive and three negative charges of equal magnitude are placed at the corners of a regular hexagon PQRSTU. If electric field at O due to all the charges is twice the field at O due to a positive charge at R only, the order in which the changes are placed at PQRSTU is
physics-General
physics-
Four plates of area A are arranged as shown. The equivalent capacitance between A and B is
Four plates of area A are arranged as shown. The equivalent capacitance between A and B is
physics-General
physics-
Three point charges q, q, –2q are placed on an equilateral triangle of side a. The magnitude of dipole moment of the arrangement is
Three point charges q, q, –2q are placed on an equilateral triangle of side a. The magnitude of dipole moment of the arrangement is
physics-General
physics-
The equivalent capacitance of the combination shown in
The equivalent capacitance of the combination shown in
physics-General
physics-
Four wires each of length 2m are bent into four loops P,Q,R, and S and then suspended into a uniform magnetic field same current is passed in each loop The correct statement is
Four wires each of length 2m are bent into four loops P,Q,R, and S and then suspended into a uniform magnetic field same current is passed in each loop The correct statement is
physics-General
physics-
A charged particle q is shot towards another charged particle Q, which is fixed, with a speed v. It approaches Q upto a closet r and then returns. If q were given a speed of 2v, the closest distances of approach would be
A charged particle q is shot towards another charged particle Q, which is fixed, with a speed v. It approaches Q upto a closet r and then returns. If q were given a speed of 2v, the closest distances of approach would be
physics-General
physics-
Three charges –q1, +q2 and –q3 are placed as shown in the figure. The x-component of the force on –q1 is proportional to
Three charges –q1, +q2 and –q3 are placed as shown in the figure. The x-component of the force on –q1 is proportional to
physics-General
physics-
Two similar conducting balls of mass m are hung from silk threads of length L and carry similar charges q as shown in the figure. Assuming 
to be small, the distance x between the balls is
Two similar conducting balls of mass m are hung from silk threads of length L and carry similar charges q as shown in the figure. Assuming to be small, the distance x between the balls is
physics-General
physics-
A rectangular loop carrying current I is located near an infinite long straight conductor carrying current I as shown in the figure. The loop,
A rectangular loop carrying current I is located near an infinite long straight conductor carrying current I as shown in the figure. The loop,
physics-General
chemistry-
The product is
The product is
chemistry-General
physics-
A thin metal plate P is inserted between the plates of a parallel-plate capacitor of capacitance C in such a ways that its edges touch the two plates (see the figure). The capacitance now becomes
A thin metal plate P is inserted between the plates of a parallel-plate capacitor of capacitance C in such a ways that its edges touch the two plates (see the figure). The capacitance now becomes
physics-General
physics-
A and B are two concentric spheres. If A is given a charge Q while B is earthed as shown in figure.
A and B are two concentric spheres. If A is given a charge Q while B is earthed as shown in figure.
physics-General
physics-
A particle of mass m and charge q is placed at rest in a uniform electric field E as shown and released. The kinetic energy it attains after moving a distance y is
A particle of mass m and charge q is placed at rest in a uniform electric field E as shown and released. The kinetic energy it attains after moving a distance y is
physics-General
physics-
Four metallic plates, each having area A, are placed as shown. The distance between the consecutive plates is d. Alternate plates are connected to points A and B. The equivalent capacitance of the system between A and B is
Four metallic plates, each having area A, are placed as shown. The distance between the consecutive plates is d. Alternate plates are connected to points A and B. The equivalent capacitance of the system between A and B is
physics-General
physics-
The three capacitors in figure, store a total energy of
The three capacitors in figure, store a total energy of
physics-General
