If the magnetic field of a plane electromagnetic wave is given by (The speed of light $= 3 \times 10^{8} m / s$ )

$B = 100 \times 10^{- 6} \sin [2 π \times 2 \times 10^{15} (t - \frac{x}{c})]$ then the maximum electric field associated with it is:

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We know that relation between electric field E and magnetic field B is given by: E B = c ⇒ E = B c = 100 × 10 - 6 × 3 × 10 8 V m - 1 = 3 × 10 4 V m - 1

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