A charged particle moves in a magnetic field. What path does it follow?

Practice Questions

Q1
A charged particle moves in a magnetic field. What path does it follow?
  1. Straight line
  2. Circular path
  3. Elliptical path
  4. Parabolic path

Questions & Step-by-Step Solutions

A charged particle moves in a magnetic field. What path does it follow?
  • Step 1: Understand that a charged particle is a particle with an electric charge, like an electron or proton.
  • Step 2: Know that a magnetic field is an area around a magnet where magnetic forces can be felt.
  • Step 3: When a charged particle moves through a magnetic field, it experiences a force due to the magnetic field.
  • Step 4: This force acts at a right angle (perpendicular) to the direction the particle is moving.
  • Step 5: Because the force is always perpendicular to the velocity, it changes the direction of the particle's motion but not its speed.
  • Step 6: As a result, the particle moves in a circular path instead of a straight line.
  • Magnetic Force on Charged Particles – A charged particle in a magnetic field experiences a force that is perpendicular to both its velocity and the magnetic field, causing it to move in a circular path.
  • Circular Motion – The motion of the charged particle is circular due to the constant perpendicular force acting on it, which changes the direction of the velocity but not its magnitude.
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