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} $