Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:

In electromagnetic waves in free space, the RMS value of magnetic field is 5 T. What is the peak value of the same?

Options:

3 T

9 T

7 T

5 T

Correct Answer:

7 T

Explanation:

Bpeak = Brms \(\sqrt { 2}\)

Brms = 5 T

Bpeak = 7.1 T