Find the magnitude of the electric field at a point 4 cm away from a line charge of density `2 xx 10^(-6) C m^(-1)`.

Calculate the magnitude of electric field intensity at a point 10 cm away from a line charge of linear charge density 5 mu C/m.

A Charge of 4 xx 10^(-8) C is distributed uniformaly on the surface of a sphere of radius 1 cm. It is covered by a concentric, hollow conducting sphere of radius 5 cm. (a) Find the electric field at a point 2 cm away from the centre. (b) A charge of 6 xx 10^(-8)C is placed on the hollow sphere. Find the surface charge density on the outer surface of the hollow sphere.

A Charge of 4 xx 10^(-8) C is distributed uniformaly on the surface of a sphere of radius 1 cm. It is covered by a concentric, hollow conducting sphere of radius 5 cm. (a) Find the electric field at a point 2 cm away from the centre. (b) A charge of 6 xx 10^(-8)C is placed on the hollow sphere. Find the surface charge density on the outer surface of the hollow sphere.

A cyclinder of radius 5 mm and surface charge density of 2 mu C//m^(2) is surrounded by a medium of dielectric constant 6.28. The magnitude of electric field at a point 2 m away from the axis of the cyclinder is ((1)/(4)piepsi_(0) = 9xx10^(9) Nm^(2)//C^(2))

A Charge of 4 xx 10^(-8) C is distrivuted uniformaly on the surface of a sphere of rasius 1 cm. It is covered by a concentric, hollow conducting sphere of radius 5 cm. (a) Find the electric field at a point 2 cm away from the centre. (b) A xharge of 6 xx 10^(-8)C is placed on the hollow spher. Find the surface charge density on the auter surface of the hollow sphere.

Calculate the magnitude and direction of the electric field at a point P which is 30 cm to the right of a point charge Q = -3.0 xx 10^(-6) C

Calculate the magnitude and direction of the electric field at a point P which is 30 cm to the right of a point charge Q = -3.0 xx 10^(-6) C