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)`.

A 10 cm long rod carries a charge of +150 muC distributed uniformly along its length. Find the magnitude of the electric field at a point 10 cm from both the ends of the rod.

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.

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

The electric force experienced by a charge of 5xx10^(-6) C is 25xx10^(-3) N . Find the magnitude of the electric field at that position of the charge due to the source charges.

An electric dipole consists of charges +- 2.0 xx 10^(-8) C separated by distance of +- 2.0 xx 10^(-3) m. It is placed at a distance of 6 cm from a line charge of linear charge density 4.0 xx 10^(-4) Cm^(-1) as shown in figure such that the dipole makes an angle of theta = 60^@ with line AB. Find the force acting on the dipole.

Find the electric field at point O, due to the segment of a ring, whose linear charge density is 8 C //cm

Find the flux of the electric field through a spherical surface of radius R due to a charge of 8.85xx10^(-8) C at the centre and another equal charge at a point 3R away from the centre (Given : epsi_(0) = 8.85 xx 10^(-12) units )

An electric dipole consists of charges pm 2.0 xx 10^(-8) C separated by a distance of 2.0 xx 10^(-3) m. It is placed near a long line charge of linear charge density 4.0 xx 10^(-4) C m^(-1) as shown in figure (30-W4), Such that the negative charge is at a distance of 2.0 cm from the line charge. Find the force acting on the dipole.

An electric dipole consists of charges pm 2.0 xx 10^(8) C separated by a distance of 2.0 xx 10^(-3) m. It is placed near a long ilne charge of linear charge density 4.0 xx 10^(-4) C m^(-1) as shown in figure (30-W4), Such thet the negative charge is at a distance of 2.0 cm from the line charge. Find the force acting on the dipole.

Find the fluz f the electric field through a spherical surface of radius R due to a charge of 10^(-7) C at the centre and another equal charge at a point 2R away from the centre (figure ).