A system has two charges `qA = 2.5 xx 10^(–7) C and qB = –2.5 xx 10^(–7)C` located at points A: (0, 0, –15 cm) and B: (0,0, +15 cm), respectively. What are the total charge and electric dipole moment of the system?

A system has two charges q_A= 2.5 xx 10^-7C and q_B= -2.5 xx 10^-7C located at polnts A: (0, 0, -15 cm) and B: (0, 0, +15 cm), re-spectively. What are the total charge and electric dipole moment of the sys-tem?

Two charges 5 xx 10^-8C and -3 xx 10^-8C are located 16 cm apart. At what point(s) on the line Joining the two charges is the electric potential zero? Take the potential at infinity to be zero.

Draw x and y axis and mark the points A(2,0), B(5,0) and C(7,3).

Four point charges q_A= +5 muC, q_B = -5 muC, q_C = +5 muC, and q_D=-5muC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 muC placed at the centre of the square?

A dipole consists of 2 charges +10 mu C and -10 mu C separated by a certain distance. Let they be located at x = 6.0 cm, y = 0 and x = -6.0 cm and y = 0 respectively. Calculate the field strength at a point x = 0, y = 8 cm.

What is the different between the following. (i) 2.5 xx 10^3 g and 2.50 xx 10^3g (ii) 160 cm and 160.0cm

Two point charges of 2 xx 10^(-7)C are 1.0 cm apart. What is the magnitude of the field produced by either charge at the side of the other?

Two point charges of +5 xx 10^(-19)C and +20 xx 10^(-19)C are separated by a distance of 2m. Find the point on the line joining them at which electric field is zero. (Find the position of null point)