An electric charge +q moves with the velocity of 10 m/s parallel to the magnetic field. If the intensity of the magnetic field is 1 Tesla, find the force experienced by the particle.

  1. 0
  2. 10 
  3. 10q
  4. 0.1q

Answer (Detailed Solution Below)

Option 1 : 0
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Detailed Solution

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CONCEPT:

  • While moving through a magnetic field, the charged particle experiences a force.
  • This force is given by the charge times the vector product of velocity and magnetic field.

\(F = q (\vec{v}× \vec{B})\)

F = qvB sinθ

where q is the charge on particle, v is perpendicular velocity, B is the magnetic field, and θ is the angle between velocity and magnetic field.

EXPLANATION:

Given that velocity is parallel to the magnetic field, so θ = 0° 

​The force experienced by the particle is

F = qvB sinθ

here θ is the angle between velocity and magnetic field and θ = 0° 

F = qvB sin0° = qvB × 

F = 0

So the correct answer is option 1.

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