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Question

A charge of +10 C enters a uniform magnetic field parallel to its direction. What will happen to the charge?


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Solution

Magnetic field:

  1. A magnetic field is a region around the magnet.
  2. The magnetic field which moving the electric charge.
  3. It possesses the force of magnetism acts.

A diagram to represent the magnetic field:

Keys to Magnetic Field Testing and Permeability - The Samtec Blog

Explanation:

As we know that a charged particle's magnetic force is orthogonal to the magnetic field.

So, F=qvBsinθ

So, in a straight line, there is no net force, and the charged particle goes if its velocity is parallel to the magnetic field.

Therefore, the angle between the magnetic field vector B and the velocity vector forms the force.

And, the magnetic force is equal to F=qvBsinθ

So, if the velocity and magnetic field are parallel and no force occurs, then in this condition a charged particle can continue to move in a straight line.


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