The value of the magnetic field for a certain type of electromagnetic wave is 2.12 μT. What is the value of the electric field for that wave?
A) 636 V/m
B) 636 N/C
C) 636 J/Cm
D) All of the answers given are correct.
E) None of the answers given is correct.

Question

Quizplus · Accepted Answer

The correct answer is D because all of the answers given are correct. The value of the electric field for an electromagnetic wave is given by the equation E = cB, where c is the speed of light and B is the magnetic field. In this case, the magnetic field is 2.12 μT, so the electric field is E = (3 × 10^8 m/s)(2.12 × 10^-6 T) = 636 V/m.

The Value of the Magnetic Field for a Certain Type