An Electromagnetic Wave with a Peak Magnetic Field Component of 3.20

Multiple Choice

An electromagnetic wave with a peak magnetic field component of 3.20 × 10−⁷ T carries what average power per unit area? (μ₀ = 4π × 10−⁷ T⋅m/A,ε₀ = 8.85 × 10−¹² C²/N⋅m² and c = 3.00 × 10⁸ m/s)

A) 38.4 W/m²
B) 24.4 W/m²
C) 12.2 W/m²
D) 3.82 W/m²
E) 7.64 W/m²