Chapter 1 – Electrostatics
A circular ring carries a uniformly distributed positive charge and lies in the x-y plane with center at the origin of the coordinate system. If at a point (0,0,z) the electric field is E, then which of the following graphs is correct?
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Dec
A circular ring carries a uniformly distributed positive charge and lies in the x-y plane with center at the origin of the coordinate system. If at a point (0,0,z) the electric field is E, then which of the following graphs is correct? A circular ring carries a uniformly distributed positive charge and lies in the [...]
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 [...]