Advertisements
Advertisements
Question
Choose the correct option.
Which of the following produces uniform electric field?
Options
point charge
linear charge
two parallel plates
charge distributed an circular any
Solution
two parallel plates
APPEARS IN
RELATED QUESTIONS
Answer the following question.
If two lines of force intersect of one point. What does it mean?
A charge +q exerts a force of magnitude -0.2 N on another change -2q. If they are separated by 25.0 cm, determine the value of q.
Solve numerical example.
Four charges of + 6×10-8 C each are placed at the corners of a square whose sides are 3 cm each. Calculate the resultant force on each charge and show in the direction and a diagram drawn to scale.
Solve numerical example.
A potential difference of 5000 volts is applied between two parallel plates 5cm apart a small oil drop having a charge of 9.6 ×10-19 C falls between the plates. Find
- electric field intensity between the plates and
- the force on the oil drop.
An electron is moving towards X-axis. An electric field is along Y-direction then path of electron is ____________.
An electron at rest is accelerated by a potential 'V1', in uniform field experiences a force 'F1'· When potential is changed to 'V2', the force experienced by the electron gets doubled. The ratio of V1 to V2 is ______.
Radius of a metal sphere is 4 cm. It is given a charge of 8 µC. The force acting on unit area of its surface is ____________.
Deuteron and `alpha` - particle are put 1 Å apart in air. Magnitude of intensity of electric field due to deuteron at `alpha` - particle is ____________.
Two parallel plates separated by 'd' mm are kept at potential difference of 'V' volt. A particle of mass 'm' and charge 'q' enters in it with some velocity. The acceleration of the particle will be ______.
A particle of mass m and charge q is placed at rest in a uniform electric field E and then released, the kinetic energy attained by the particle after moving a distance y will be ______.
The energy density of a medium is 3.54 x 10- 5 J/m3. The intensity of electric field in the medium of dielectric constant 2 is ______.
A large metal plate of area 1.0 m2 is placed in electric field. The magnitude E of the electric field is 5.5 N/C. What is the magnitude of charge on the plate?
Electric field at the centroid of a triangle carrying q charge at each comer as
Electric field and potential inside hollow charged conducting sphere are respectively:-
Dimensional formula for electrical field is ______
A charged particle (mass m and charge q) moves along X axis with velocity V0. When it passes through the origin it enters a region having uniform electric field `vec"E" = -"E"hat"j"` which extends upto x = d. Equation of path of electron in the region x > d is :
An oil drop of radius 2 mm with a density 3 g cm-3 is held stationary under a constant electric field 3.55 × 105 V m-1 in the Millikan's oil drop experiment. What is the number of excess electrons that the oil drop will process?
Consider g = 9.81 m/s2
The magnitude of the average electric field normally present in the atmosphere just above the surface of the Earth is about 150 N/C, directed inward towards the center of the Earth. This gives the total net surface charge carried by the Earth to be:
[Given: ε0 = 8.85 × 10-12 C2/N-m2, RE = 6.37 × 106m]
In figure, there is a four way key at the middle. If key is shown from situation BD to AD, then how much charge will flow through point O?
Which of the following configuration of electric lines of force is not possible?
If the potential in a region of the electric field is expressed as V(x, y, z) = 2xy + 3zx - yz, then the electric field at point (0, 1, 1) is ______.
Find the electric field in region II as in figure shown.