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Answer the following question. What is a uniform electric field? - Physics

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प्रश्न

Answer the following question.

What is a uniform electric field?

टीपा लिहा

उत्तर

A uniform electric field is a field whose magnitude and direction are the same at all points.
For example, the field between two parallel plates is shown in the diagram.


Uniform electric field

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Electric Field
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पाठ 10: Electrostatics - Exercises [पृष्ठ २०६]

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बालभारती Physics [English] 11 Standard Maharashtra State Board
पाठ 10 Electrostatics
Exercises | Q 2. (v) | पृष्ठ २०६

संबंधित प्रश्‍न

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

  1. electric field intensity between the plates and
  2. the force on the oil drop.

Solve numerical example.

Calculate the electric field due to a charge of −8.0×10−8 C at a distance of 5.0 cm from it.


The number of electrons to be put on a spherical conductor of radius 0.1 m to produce an electric field of 0.036 N/C just above its surface is ____________.


An electron is moving towards X-axis. An electric field is along Y-direction then path of electron is ____________.


An electron experiences a force equal to its weight, when placed in an electric field. The intensity of the field will be ______.


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 ____________.


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


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 :


A positive charge particle of 100 µg is thrown in opposite direction to a uniform electric field of strength 1 × 105 NC-1. If the charge on the particle is 40 µC and the initial velocity is 200 ms-1, how much distance it will travel before coming to the rest momentarily:


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]


The electric field in a region of space is given by, `vec"E"= "E"_"o"hat"i" + 2"E"_"o"hat"j"` where Eo = 100 N/C. The flux of the field through a circular surface of radius 0.02 m parallel to the Y-Z plane is nearly ______.


The expression for electric field intensity at a point outside uniformly charged thin plane sheet is ______. (d is the distance of point from plane sheet)


Consider the following statement about the electric field the intensity and the electric potential.

  1. The electric field intensity due to a charged spherical shell is inversely proportional to the square of its radius.
  2. The electric potential due to a point charge is inversely proportional to the distance between the charge and the point.

An electron of mass me and a proton of mass mp are kept in a uniform electric field. The ratio of the acceleration of electron (ae) to the acceleration of proton (ap) is ______.


Which of the following configuration of electric lines of force is not possible?


Find the electric field in region II as in figure shown.


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