How to Visualize Electric Fields
Trending Questions
Q. Find the maximum electric field due to a uniformly charged ring of charge Q and radius R along the axis of the ring [K=14πϵ0]
- KQ3√3R2
- 2KQ√3R2
- 2KQ3√3R2
- KQ√3R2
Q. Electric potential in a region is varying according to the relation V=3x22−y24 , where x and y are in meter and V is in volt. Electric field intensity in N/C at a point (1 m, 2 m) is
- 3^i−^j
- −6^i+2^j
- −3^i+^j
- 6^i−2^j
Q. Electric potential in a region is varying according to the relation V=3x22−y24 , where x and y are in meter and V is in volt. Electric field intensity in N/C at a point (1 m, 2 m) is
- 3^i−^j
- −3^i+^j
- −6^i+2^j
- 6^i−2^j
Q.
Consider the situation shown in figure. What are the signs of q1 and q2?
Both positive
both negative
q1 is positive and q2 is negative
q1 is negative and q2 is positive
Q. Figure shows an imaginary cube of side a. A uniformly charged rod of length a moves towards right at a constant speed v. At t=0, the right end of the rod just touches the left face of the cube. Which of the following represents the correct graph between electric flux passing through the cube with time?
Q. is a source of a field line, while is a sink.
- positive charge
- negative charge
- neutral charge
- dipole
Q.
In the given electric field line representation, can we say that the electric field at point B is zero because there are no electric field lines passing through B?
Yes
No
Q.
If the lines are drawn in proportion to the charge, what is the ratio q1q2?
38
3
16
cannot be said
Q. If a charged particle enters perpendicularly into the uniform magnetic field then its
Q. Three positive charges of equal value q are placed at the vertices of an equilateral triangle. The resulting lines of force should be sketched as in