Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

You are given charges A and B under the effect of electric and magnetic field. At t = 0, charge B gets moving and electric field is switched off. If FA is the force experienced by charge A and FB is the force experienced by charge B, then |FA - FB| is equal to : 

Options:

- FB

FA

FB

zero

Correct Answer:

FB

Explanation:

FA - FB = - FB

|FA - FB| = FB

Note : FA = zero