12. An electromagnetic wave with a peak magnetic field magnitude of 1.5 × 10⁻⁷ T has an associated peak electric field of what magnitude?
(A) 0.5 × 10⁻¹⁵ N/C
(B) 2 × 10⁻⁵ N/C
(C) 2.2 × 10⁴ N/C
(D) 22 N/C
(E) 45 N/C

相關試題

相關試卷