Part 2
The electric field strength due to a ring of radius R at a distance x from its centre on the axis of ring carrying charge Q is given by E=1/4πε0 Qx/(R^2+x^2)3/2 At what distance from the centre will the electric field be maximum ?
01
Dec
The electric field strength due to a ring of radius R at a distance x from its centre on the axis of ring carrying charge Q is given by E=1/4πε0 Qx/(R^2+x^2)3/2 At what distance from the centre will the electric field be maximum ? The number of lines of forces coming out from +1 coulomb [...]
An infinitely long solid cylinder of radius R has a uniform volume charge density ρ. It has a spherical cavity of radius R/2 with its centre on the axis of cylinder, as shown in the figure. The magnitude of the electric field at the point P, which is at a distance 2R form the axis of the cylinder, is given by the expression 23pR/16ke0 . The value of k is .
01
Dec
An infinitely long solid cylinder of radius R has a uniform volume charge density ρ. It has a spherical cavity of radius R/2 with its centre on the axis of cylinder, as shown in the figure. The magnitude of the electric field at the point P, which is at a distance 2R form the axis [...]
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An infinitely long solid cylinder of radius R has a uniform volume charge density ρ. It has a spherical cavity of radius R/2 with its centre on the axis of cylinder ,
as shown in the figure. The magnitude of the electric field at the point P ,
is given by the expression 23pR/16ke0 . The value of k is . ,
which is at a distance 2R form the axis of the cylinder ,
n small drops of same size are charged to V volts each. If they coalesce to form a signal large drop, then its potential will be :
01
Dec
n small drops of same size are charged to V volts each. If they coalesce to form a signal large drop, then its potential will be : n small drops of same size are charged to V volts each. If they coalesce to form a signal large drop then its potential will be : December [...]
A spherical metal shell A of radius RA and a solid metal sphere B of radius RB( less then RA) are kept far apart and each is given charge +Q. Now they are connected by a thin metal wire. Then
01
Dec
A spherical metal shell A of radius RA and a solid metal sphere B of radius RB( less then RA) are kept far apart and each is given charge +Q. Now they are connected by a thin metal wire. Then A spherical metal shell A of radius RA and a solid metal sphere B of [...]
A charge Q is distributed over two concentric hollow spheres of radii r and R(R>r) such that their surface densities are equal. The potential at the common center is 1/4πε0 times
01
Dec
A charge Q is distributed over two concentric hollow spheres of radii r and R(R>r) such that their surface densities are equal. The potential at the common center is 1/4πε0 times A charge Q is distributed over two concentric hollow spheres of radii r and R(R>r) such that their surface densities are equal. The potential [...]
A long, hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral.
01
Dec
A long, hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral. A long hollow conducting cylinder is kept coaxially inside another long hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral. December 1, 2020 Category: Cengage NEET by [...]
A solid sphere of radius R is charged uniformly. At what distance from its surface is the electrostatic potential half of the potential at the center?
01
Dec
A solid sphere of radius R is charged uniformly. At what distance from its surface is the electrostatic potential half of the potential at the center? A solid sphere of radius R is charged uniformly. At what distance from its surface is the electrostatic potential half of the potential at the center? December 1, 2020 [...]
A solid sphere of radius R1 and volume charge density ρ=ρ0/r is enclosed by a hollow sphere of radius R2 with negative surface charge density σ, such that the total charge in the system is zero . ρ0 is positive constant and r is the distance from the centre of the sphere . The ratio R2/R1 is
01
Dec
A solid sphere of radius R1 and volume charge density ρ=ρ0/r is enclosed by a hollow sphere of radius R2 with negative surface charge density σ, such that the total charge in the system is zero . ρ0 is positive constant and r is the distance from the centre of the sphere . The ratio [...]
Tags:
A solid sphere of radius R1 and volume charge density ρ=ρ0/r is enclosed by a hollow sphere of radius R2 with negative surface charge density σ ,
such that the total charge in the system is zero . ρ0 is positive constant and r is the distance from the centre of the sphere . The ratio R2/R1 is ,
A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric field due to the sphere at a distance r from its centre
01
Dec
A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric field due to the sphere at a distance r from its centre A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric field due to the sphere at a distance r from its centre December [...]
Three concentric metallic spherical shells of radii R, 2R, 3R, are given charges Q1, Q2, Q3, respectively. It is found that the surface charge densities on the outer surfaces of the shells are equal. Then, the ratio of the charges given to the shells, Q1:Q2:Q3, is
01
Dec
Three concentric metallic spherical shells of radii R, 2R, 3R, are given charges Q1, Q2, Q3, respectively. It is found that the surface charge densities on the outer surfaces of the shells are equal. Then, the ratio of the charges given to the shells, Q1:Q2:Q3, is 2r 3R are given charges Q1 is Q1:Q2:Q3 q2 [...]