English

Beams of electrons and protons move parallel to each other in the same direction. They ______.

Advertisements
Advertisements

Question

Beams of electrons and protons move parallel to each other in the same direction. They ______.

Options

  • attract each other.

  • repel each other.

  • neither attract nor repel.

  • the force of attraction or repulsion depends upon the speed of the beams.

MCQ
Fill in the Blanks
Advertisements

Solution

Beams of electrons and protons move parallel to each other in the same direction. They repel each other.

Explanation:

The direction of the current is determined by the flow of the positive charge. As a result of the opposing currents here, they will resist one other.

shaalaa.com
  Is there an error in this question or solution?
2022-2023 (March) Outside Delhi Set 1

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

How does one understand this motional emf by invoking the Lorentz force acting on the free charge carriers of the conductor? Explain.


An electron beam projected along the positive x-axis deflects along the positive y-axis. If this deflection is caused by a magnetic field, what is the direction of the field? Can we conclude that the field is parallel to the z-axis?


A charged particle goes undeflected in a region containing an electric and a magnetic field. It is possible that
(a) `vecE" || "vecB , vecv" || " vec E `
(b) `vecE  "is not parallel"  vecB`
(c) `vecv " || " vecB  but  vecv  "is not parallel"`
(d) `vecE" || " vecB  but   vecv "is not parallel"`


 and ```vecE` and  `vecB`denote electric and magnetic fields in a frame S and `vecE`→ and `vecB` in another frame S' moving with respect to S at a velocity `vecV` Two of the following equations are wrong. Identify them.
(a) `B_y^, =  B_y + (vE_z)/c^2`

(b) `E_y^' = E_y - (vB_z)/(c^2)`

`(c) Ey = By + vE_z`

`(d) E_y = E_y + vB_z`


A long, straight wire carrying a current of 1.0 A is placed horizontally in a uniform magnetic field B = 1.0 × 10−5 T pointing vertically upward figure. Find the magnitude of the resultant magnetic field at the points P and Q, both situated at a distance of 2.0 cm from the wire in the same horizontal plane. 


Two parallel wires separated by a distance of 10 cm carry currents of 10 A and 40 A along the same direction. Where should a third current by placed so that it experiences no magnetic force?


If a current I is flowing in a straight wire parallel to x-axis and magnetic field is there in the y-axis then, ______.


Three infinitely long parallel straight current-carrying wires A, B and C are kept at equal distance from each other as shown in the figure. The wire C experiences net force F. The net force on wire C, when the current in wire A is reversed will be ______.


Equal currents are passing through two very long and straight parallel wires in the same direction. They will ______


The figure below are two long, parallel wires carrying current in the same direction such that I1 < I2.

  1. In which direction will wire I1 move?
  2. If the direction of the current I2 is reversed, in which direction will the wire I1 move now?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×