Electric Charge...

Two point charges 2μC and 8μC are placed 12 cm apart. The position of point from 2μC charge, where the electric field intensity is zero is:

Two equal positive charges q₁ = q₂ = 2.0 μC. are located at x = 0, y = 0.3 and x = 0 and y = -0.3 m respectively. What are the magnitude and direction of the total electric force (expressed in Newton and degrees counter clockwise w.r.t  x - axis) that q₁ and q₂ exert on a third charge Q = 4.0 μC  at x =0.4 and y = 0 m

The electric field and force experienced by a test charge placed at origin is 6 x 10⁵N/C and 18 x 10^-4 N. The value of test charge is:​

A tennis ball which has been covered with charges is suspended by a thread so that it hangs between two metal plates. One plate is earthed, while other is attracted to a high voltage generator. The ball

Which, among the following is the correct expression for electric field?

A charge q is placed at the center of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal to 

Electric field intensity varies with distance as:

If electric field lines cross each other that would mean

The S.I. unit of electric field intensity is:​

The diagram shows the electric field lines in a region of space containing two small charged spheres, Y and Z then which statement is true?

Which equation correctly shows the force on a charge q in an electric field E

A test charge of 3nC is placed at origin and experiences a force of 9 x 10^-4 N. The electric field at origin is:​

The field lines for single negative charge are:

At any point on S on an electric field line 

An electric field can deflect

For uniform electric field, field lines are:

An electron traveling north enters a region where the electric field is uniform and points North.

The magnitude of an electric field balancing a deutron  of charge 1.6 x 10^-19 C and mass 3.2 x 10^-27 kg is:

Two charges A = -2.50 μCand B = 6.0 μC are at a distance of 1 meter from each other. Distance from A at which the electric field is zero in meters is

Six charges are kept at the vertices of a regular hexagon as shown in the figure. If magnitude of forceapplied by +Q on +q charge is F, then net electric force on the +Q is: