Q42. A plane electromagnetic wave of frequency 50 MHz travels in free space along the x-direction. At a particular point in space and time E = 9.3 jVm-1. What is B at this point?
(a) (3.1 × 10-8k)T
(b) (3.1 x 10-81)Τ
(c) (3.1 x 108k)T
(d) (3.1 x 10-8)T

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Accepted Answer

(3.1 × 10⁻⁸k)T

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Q42. A plane electromagnetic wave of frequency 50 MHz travels in free space along the x-direction. At a particular point in space and time E = 9.3 jVm-1. What is B at this point? (a) (3.1 × 10-8k)T (b) (3.1 x 10-81)Τ (c) (3.1 x 108k)T (d) (3.1 x 10-8)T

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