Magnetic Effects Of Current Question 277

Question: A magnetic field [MP PET 1994; Pb PMT 2003]

Options:

A) Always exerts a force on a charged particle

B) Never exerts a force on a charged particle

C) Exerts a force, if the charged particle is moving across the magnetic field lines

D) Exerts a force, if the charged particle is moving along the magnetic field lines

Show Answer

Answer:

Correct Answer: C

Solution:

$ \overrightarrow{F}=q\overrightarrow{v,}\times \overrightarrow{B} $