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
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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 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:
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