The amplitude of magnetic field in an electromagnetic wave propagating along y-axis is 6.0× 10⁻⁷ T. The maximum value of electric field in the electromagnetic wave is (a) 6.0× 10⁻⁷ V m⁻¹ (b) 5× 10¹⁴ V m⁻¹ (c) 180 V m⁻¹ (d) 2× 10¹⁵ V m⁻¹

Answer: (c). E₀ = cB₀. E₀ = 3× 10⁸× 6.0× 10⁻⁷ = 180 V/m. So the answer is (c).

The amplitude of magnetic field in an electromagnetic wave… | JEE Main 2023 (10 Apr, Shift 2)

Q26JEE Main 2023 · 10 APR · SHIFT 2Easy

Nature of EM Waves & Wave Equation

The amplitude of magnetic field in an electromagnetic wave propagating along y-axis is $6.0\times 10^{-7}\text{ T}$ . The maximum value of electric field in the electromagnetic wave is

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Answer: (c)

$E_0 = cB_0$ .
$E_0 = 3\times 10^{8}\times 6.0\times 10^{-7} = 180\ \text{V/m}$ .
So the answer is (c).

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