Two point charge of `20muC` and `80muC`are placed 18cm apart .Find the position where the electric field is zero.

Two point charge q_A=3muC and q_b=-3muC are located 20 cm apart in vacuum.What is the electric field at the midpoint 0 of the line AB joining the two charge ?

Two charges 2muC and -2muC are placed at points A and B is 6 cm apart:- What is the direction of the electric field at every point on the equipotential surface between them?

Two fixed point charges +16 mu C and -9 mu C are placed 8 cm apart in air. Where should a third point charge be placed so that, the third charge is in equilibrium

Two point charges +q and -q are placed at distanced d apart. What are the points at which the resultant field is parallel to the line joininin the two charges?

Two point charge q_(A) = 3 muC and q_(B) = -3 muC are located 20 cm apart in vacuum. (a) What is the electric field at the mid point O of the line AB, joining the two charges. (b) If a negative test charge of magnitude 1.5 xx 10^(-9)C is placed at this point. What is the force experienced by the test charge?

Two tiny spheres carrying charges 1 muC and 3 mu C are located 40cm apart. Find the potential at the mid point of the line joining the charges.

Two point charges Q and -3Q are placed at some distance apart. If the electric field at the location of Q is E, then field at the location of -3Q is

Two point charge q_A=3muC and q_b=-3muC are located 20 cm apart in vacuum. If a negative test charge of magnitude 1.5xx10^(-9)C is placed at the point, what is the force experienced by the test charge ?