Q42. A plane electromagnetic wave of frequency 30MHz travels in free space along the x-direction. At a particular point in space and time E = 6.3ĵ V/m. The B at this point would be:
(a) 2.1 × 10⁻⁸ k̂ T
(b) 2.1 x 10⁻⁶ T
(c) 1.6 × 10⁻⁸ î T
(d) 2.6 x 10⁻⁸ T

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Accepted Answer

2.1 × 10⁻⁸ k̂ T

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Q42. A plane electromagnetic wave of frequency 30MHz travels in free space along the x-direction. At a particular point in space and time E = 6.3ĵ V/m. The B at this point would be: (a) 2.1 × 10⁻⁸ k̂ T (b) 2.1 x 10⁻⁶ T (c) 1.6 × 10⁻⁸ î T (d) 2.6 x 10⁻⁸ T

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