Two point charges `q_(A)= 5mu C and q_(B)= -5muC` are located at A and B separated by 0.2m vacuum.
What is the electric field at the midpoint O of the line joining the charges? If a negative test charges of magnitude 2mC is placed at O, what is the force experienced by the test charge?

Two point charges q_(A)=3muC and q_(B)=-3muC are located 0.2 m 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 1.5xx10^(-9)C is placed at this point, what is the force experienced by the test charge?

Two point charges q_(1)=+4 mu c and q_(2)=+32 muc are spearated in air at a distance of 0.12 m apart. Find the position of the neutral point along the line joining the 2 point charges.

Two charges of 1.0xx10^(-6) coulomb are separated by a distance 10 cm . Where will the electric field be zero on the line joining the two charges ?

Two charges of 2muC and 5 muc are placed 2.5 cm apart. The ratio of the Coulombs force experienced by them is :