The Rate of Energy Flow Per Unit Area of a Sinusoidal

question 18

Multiple Choice

The rate of energy flow per unit area of a sinusoidal electromagnetic wave has an average value of 0.601 W/m².What is the maximum value of the magnetic field in the wave? (c = 3.00 × 10⁸ m/s,μ₀ = 4π × 10^-7 T ∙ m/A,ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A)7.09 × 10^-8 _T
• B)5.02 × 10^-8 _T
• C)3.55 × 10^-8 _T
• D)9.81 × 10^-8 _T
• E)1.42 × 10^-7 _T

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