MCQ
A homogeneous electric field $E$ and a uniform magnetic field $\overrightarrow{ B }$ are pointing in the same direction. A proton is projected with its velocity parallel to $\overrightarrow{ E }$ It will
  • Go on moving in the same direction with increasing velocity
  • B
    Go on moving in the same direction with constant velocity
  • C
    Turn to its right
  • D
    Turn to its left

Answer

Correct option: A.
Go on moving in the same direction with increasing velocity
Go on moving in the same direction with increasing velocity

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to the electron stream and above it. If the current in the conductor is from left to right, what will be the effect on the electron stream?
1 mg gold undergoes decay with 2.7 days half-life period, amount left after 8.1 days is(a) 0.91 mg(b) 0.25 mg(c) 0.5 mg(d) 0.125 mg
       
As the quantum number increases, the difference of energy between consecutive energy levels?
Digital circuit can be made by repetitive use of this gate:
The force of repulsion between two point charges is F, when these are 1m apart. Now the point charges are replaced by conducting spheres of radii 5cm having the charge same as that of point charges. The distance between their centres is 1m, then the force of repulsion will:
Consider the following statements and select the correct statement(s).
  1. Electric field lines are always perpendicular to equipotential surface.
  2. No two equipotential surfaces can intersect each other.
  3. Electric field lines are in the direction of tangent to an equipotential surface.
The decay constant of a radioactive sample is $\lambda.$ The half-life and the average-life of the sample are respectively:
Vertical component of earth's magnetic field is zero:
Radius of first Bohr orbit is $r.$ What is the radius of $2^{nd}$ Bohr orbit?
In P-N junction, avalanche current flows in circuit when biasing is(a) Forward(b) Reverse(c) Zero  (d) Excess