A Certain Electromagnetic Field Traveling in Vacuum Has a Maximum $\vec { B }$

question 55

Multiple Choice

A certain electromagnetic field traveling in vacuum has a maximum electric field of 1200 V/m.What is the maximum $\vec { B }$ field of this wave? (c = 3.0 × 10⁸ m/s)

• A)3.4 × 10^-4 T
• B)4.0 × 10^-6 T
• C)2.2 × 10^-5 T
• D)9.6 × 10^-6 T
• E)8.7 × 10^-6 T

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