An Electromagnetic Wave with a Peak Magnetic Field Component of 3.2

question 14

Multiple Choice

An electromagnetic wave with a peak magnetic field component of 3.2 × 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) 12 W/m²
• B) 3.0 W/m²
• C) 2.7 W/m²
• D) 1.3 W/m²

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