Question

Which of the following statements is true?

(a) E is the cross product of v and B

(b) B is the cross product of v and E

(c) E is the dot product of v and B

(d) B is the dot product of v and E

This question was addressed to me in an internship interview.

Asked question is from Faraday Law, EMF and Lenz Law topic in portion Magnetostics of Electromagnetic Theory

Answer 1

Right option is (a) E is the cross product of v and B

The explanation is: The electric field is the cross product of the velocity and the magnetic field intensity. This is given by Lorentz equation.