Two points charges are located on the axis as follows `q_(1)=8times10^(-9)`C at,`x=0` `q_(2)=-1times10^(-9)C` at,`x=1cm` What is the net force on charge `q_(3)=2times10^(-9)`C placed at `x=2cm`

Two point charges are located on the x - axis : q_1 = -e at x = 0 and q_2 = + e at x = a . The work done by an external force to bring a third point charge q_3 = +e from infinity to x = 2a is.

What is the force between two small charged of 2 xx 10^(-7) C placed 30 cm apart in air?

Two point charges q_(1)=2xx10^(-3) C and q_(2)=-3xx10^(-6) C are separated by a distance x = 10 cm. Find the magnitude and nature of the force between the two charges.

Two point charges are located on the x - axis : q_1 = -e at x = 0 and q_2 = + e at x = a . A third charge q_3 = + e is brought to x = 2a . The total potential energy of the system of three charges.

Charges 4Q, q and Q and placed along x-axis at positions x=0,x=1//2 and x=1 , respectively. Find the value of q so that force on charge Q is zero

Point charges q_1 and q_2 lie o the x-axis at points x=-a and x=+a respectively. a. How must q_1 and q_2 be related for the net electrostatic force on point charge +Q , placed at x=+a/2, to be zero? b. With the same point charge +Q now placed ate x=+3a//2

Inside a neutral hollow conducting sphere of radius X and centre C, a point charge q is placed as shown in the figure. Another point charge q_1 , is placed outside the sphere at distance d from centre. The net- electrostatic force on charge q placed at the centre is K=1/(4piepsilon_0)

If point charges Q_(1) = 2xx 10^(-7) C and Q_(2) = 3 xx 10^(-7) C are at 30 cm separation, then find electrostatic force between them

Four point charges q_(A) = 2 mu C , q_(B) = -5 mu C, q_(C) = 2 mu C and q_(D) = -5 mu C are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 mu C placed at the center of the square ?

Two point charges +8q and -2q are located at x=0 and x=L respectively. The location of a point on the x axis at which the net electric field due to these two point charges is zero is