An Electromagnetic Wave with a Peak Magnetic Field Component of 3.2

question 50

Multiple Choice

An electromagnetic wave with a peak magnetic field component of 3.2 *10 ^{- 7} T carries what average power per unit area? ( $\mu$ ₀ = 4 $\pi$ * 10^-7 T.m/A, $\varepsilon$ ₀ = 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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