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Choose the correct option. An electron is placed between two parallel plates connected to a battery. If the battery is switched on, the electron will - Physics

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प्रश्न

Choose the correct option.

An electron is placed between two parallel plates connected to a battery. If the battery is switched on, the electron will

पर्याय

  • be attracted to the +ve plate

  • be attracted to the -ve plate

  • remain stationary

  • will move parallel to the plates

MCQ

उत्तर

An electron is placed between two parallel plates connected to a battery. If the battery is switched on, the electron will be attracted to the +ve plate

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पाठ 10: Electrostatics - Exercises [पृष्ठ २०५]

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बालभारती Physics [English] 11 Standard Maharashtra State Board
पाठ 10 Electrostatics
Exercises | Q 1. (ii) | पृष्ठ २०५

संबंधित प्रश्‍न

Write the expression for the displacement current in terms of the rate of change of electric flux. 


Mark out the correct options.


A point charge q is placed in a cavity in a metal block. If a charge Q is brought outside the metal, will the charge q feel an electric fore?


A charge Q is placed at a distance a/2 above the centre of a horizontal, square surface of edge a as shown in the following figure . Find the flux of the electric field through the square surface.


Two large conducting plates are placed parallel to each other with a separation of 2⋅00 cm between them. An electron starting from rest near one of the plates reaches the other plate in 2⋅00 microseconds. Find the surface charge density on the inner surfaces.


Two large conducting plates are placed parallel to each other and they carry equal and opposite charges with surface density σ as shown in the figure. Find the electric field (a) at the left of the plates (b) in between the plates and (c) at the right of the plates.


Two particles A and B, each with a charge Q, are placed a distance d apart. Where should a particle of charge q be placed on the perpendicular bisector of AB, so that it experiences maximum force? What is the magnitude of this maximum force? 


The electric force experienced by a charge of 1.0 × 10−6 C is 1.5 × 10−3 N. Find the magnitude of the electric field at the position of the charge.


A smple pendulum consists of a small sphere of mass m suspended by a thread of length l. The sphere  carries a positive charge q. The pendulum is placed in a uniform electric field of strength E directed vertically  downwards. Find the period of oscillation of the pendulum due to the electrostatic force acting on the  sphere, neglecting the effect of the gravitational force.


Choose the correct option.

Two point charges of +5 μC are so placed that they experience a force of 8.0 × 10-3N. They are then moved apart so that the force is now 2.0 × 10-3N. The distance between them is now


Two parallel plates have a potential difference of 10 V between them. If the plates are 0.5 mm apart, what will be the strength of electric charge.


When 1019 electrons are removed from a neutral metal plate through some process, the electric charge on it is ______


In figure two positive charges q2 and q3 fixed along the y-axis, exert a net electric force in the + x-direction on a charge q1 fixed along the x-axis. If a positive charge Q is added at (x, 0), the force on q______.

(1)
(2)

Assertion: The positive charge particle is placed in front of a spherical uncharged conductor. The number of lines of forces terminating on the sphere will be more than those emerging from it.

Reason: The surface charge density at a point on the sphere nearest to the point charge will be negative and maximum in magnitude compared to other points on the sphere.


If an object possesses an electric charge, it is said to be electrified or ... A ... When it has no charge, it is said to be ... B ... Here, A and B refer to ______.

When some charge is transferred to ...A... it readily gets distributed over the entire surface of ... A... If some charge is put on ... B..., it stays at the same place. Here, A and B refer to ______.

What happens when some charge is placed on a soap bubble?

A solid sphere of radius R1 and volume charge density `rho = rho_0/"r"` is enclosed by a hollow sphere of radius R2 with negative surface charge density σ, such that the total charge in the system is zero. `rho_0` is a positive constant and r is the distance from the center of the sphere. The ratio R2/R1 is ______.


Electric charge is uniformly distributed along a long straight wire of radius 1 mm. The charge per cm length of the wire is Q coulomb. Another cylindrical surface of radius 50 cm and length 1 m symmetrically enclose the wire as shown in the figure. The total electric flux passing through the cylindrical surface is ______.


Electric field lines provide information about ______.


Which of the following graphs shows the variation of electric field E due to a hollow spherical conductor of radius R as a function of distance from the centre of the sphere?


Two identical metallic spheres A and B when placed at certain distance in air repel each other with a force of F. Another identical uncharged sphere C is first placed in contact with A and then in contact with B and finally placed at midpoint between spheres A and B. The force experienced by sphere C will be:


Two identical conducting spheres A and B, carry equal charge. They are separated by a distance much larger than their diameter, and the force between them is F. A third identical conducting sphere, C, is uncharged. Sphere C is first touched to A, then to B, and then removed. As a result, the force between A and B would be equal to ______.


A charge of magnitude 3e and mass 2m is moving in an electric field E. The acceleration imparted to the charge is ______.


The potential at a point x (measured in µm) due to some charges situated on the X-axis is given by v(x) = `20/((x^2 - 4)` V. The electric field E at x = 4 µm is given by ______.


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