Question

a beam of charged particles is passed through a maganatic field the work done by the beam of field is​

Answer 1

Answer:

"From Newton's second law of motion, we know that when an object experiences a net force, the object will accelerate in the direction of that net force. Since the only force acting on the particle is the force exerted by the magnetic field, this magnetic field force must be the net force. Forces by magnetic fields on moving charged particles always act in a direction that is perpendicular to the velocity of the particle, meaning that they will never change the speed of the particle.

Since in this case the particle is experiencing a net force, the particle must be accelerating.

All of the vector quantities here are constantly changing since the particle is constantly changing direction.

The velocity direction is changing, the acceleration direction is changing, the momentum direction is changing along with the velocity, and the position is obviously changing.

The particle's speed does not change therefore option "C" is right.

Answer 2

A beam of charged particles is passed through a magnetic field the work done by the beam of field is​ having maximum deflectionif they are perpendicular.

Explanation:

• A Beam of charged particles is the current flow.
• It develops a magnetic field around its periphery in circles.
• The current  carrying field produces a magnetic field around it which is governed by Ampere circuital law and Biot stavart law.
• Moving charged particle is Lorentz force also$F=q(v X B)$ and its direction is given by Flemming right hand law
• The force will be in the direction mutually perpendicular to both.
• When the beam of light passes through a magnetic field both the fields interact and the beam will get deflected.
• If maximum deflection is obtained then it is beam and magnetic field are perpendicular to each other.