Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:

The peak value of electric field is given as 12 V/m. What is the maximum value of magnetic field ?

Options:

0.25 x 108 T

0.68 x 10-8 T

4 x 10-8 T

2 x 10-8 T

Correct Answer:

4 x 10-8 T

Explanation:

Relation : Bpeak/Epeak = \(\frac{1}{c}\)

Bpeak = Epeak / c

Epeak = 12 V/m ; c = 3 x 108 m/s

Bpeak 4 x 10-8 T