If the magnetic field in a plane electromagnetic wave is given by B → = 3 × 10 - 8 sin ⁡ 1.6 × 10 3 x + 48 × 10 10 t j ^ T , then what will be expression for electric field ?

Question

If the magnetic field in a plane electromagnetic wave is given by B → = 3 × 10 - 8 sin ⁡ 1.6 × 10 3 x + 48 × 10 10 t j ^ T , then what will be expression for electric field ?, E → = 60 sin ⁡ 1.6 × 10 3 x + 48 × 10 10 t k ^ V m, E → = 9 sin ⁡ 1.6 × 10 3 x + 48 × 10 10 t k ^ V m, E → = 3 × 10 - 8 sin ⁡ 1.6 × 10 3 x + 48 × 10 10 t j ^ V m, E → = 3 × 10 - 8 sin ⁡ 1.6 × 10 3 x + 48 × 10 10 t i ^ V m

MARKS App · Accepted Answer

E 0 B 0 = C (speed of light in vacuum) E 0 = B 0 C = 3 × 10 - 8 × 3 × 10 8 = 9 N C So, E = 9 sin ⁡ ω t + k x + ϕ E → = 9 sin ⁡ 1.6 × 10 3 x + 48 × 10 10 t k ^ V m

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