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Answer the following question. If two lines of force intersect of one point. What does it mean? - Physics

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प्रश्न

Answer the following question.

If two lines of force intersect of one point. What does it mean?

एका वाक्यात उत्तर

उत्तर

If two lines of force intersect of one point, it would mean that the electric field has two directions at a single point.

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Electric Field
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Electrostatics - Exercises [पृष्ठ २०६]

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

संबंधित प्रश्‍न

Choose the correct option.

Which of the following produces uniform electric field?


Answer the following question.

What is a uniform electric field?


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.


A conducting sphere of radius R = 20 cm is given a charge Q = 16 µC. What is `vecE` at centre?


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 ____________.


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 ____________.


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 ______.


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:-


A copper ball of density 8.6 g/cm3, 1 cm in diameter is immersed in oil of density 0.8 glcm3. The charge in µC on the ball, if it remains just suspended in an electric field of intensity 3600 V/m acting in upward direction is ______ µC.


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]


An inclined plane makes an angle of 30° with the horizontal electric field E of 100 V/m. A particle of mass 1 kg and charge 0.01 C slides down from a height of 1 m. If the coefficient of friction is 0.2, the time taken for the particle to reach the bottom is ______ sec.

 


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 ______.


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?


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)


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 ______.


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 ______.


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