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When the direction of motion of a charged particle is perpendicular to the direction of magnetic field, then the particle follows the path of a:

Correct answer: D. Circle

  • A. Straight line
  • B. Ellipse
  • C. Helix
  • D. Circle

Explanation

When a charged particle moves perpendicular to a magnetic field, it experiences a force called the magnetic Lorentz force. This force acts as a centripetal force, causing the charged particle to move in a circular path. The resulting motion is circular because the force is always directed towards the center of the circle. This circular motion is often referred to as "circular motion in a magnetic field."

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About Electromagnetism

Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.

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