Lesson: Electric and Magnetic Fields in Electromagnetic Waves
In this lesson, we will learn how to model the relationship between the magnitude changes with time of magnetic and electric fields in electromagnetic waves.
Sample Question Videos
Worksheet: 12 Questions • 3 Videos
In a region of space, the electric field is pointed along the -axis, but its magnitude changes as described by
where is in nanoseconds and is in cm. Find the displacement current through a circle of radius 3.000 cm in the plane at .
What is the first value of for which the strengths of both the electric and the magnetic fields are zero?
What is the first value of when the strengths of both the electric and the magnetic fields are at their greatest negative value?
How much time is needed for both the electric and the magnetic fields to complete one cycle?
What is the maximum electric field strength in an electromagnetic wave that has a maximum magnetic field strength of T?