A plane electromagnetic wave of frequency 35 MHz travels in free space along the X-direction. At a particular point (in space and time) $\vec{E}$ = 9.6ĵ V/m. The value of magnetic field at this point is :
Options

Question

A plane electromagnetic wave of frequency 35 MHz travels in free space along the X-direction. At a particular point (in space and time) $\vec{E}$ = 9.6ĵ V/m. The value of magnetic field at this point is :

Options

G1 Physics · Accepted Answer

E/B = C E/B = 3 × 10⁸ B = 9.6/(3 × 10⁸) B = 3.2 × 10⁻⁸ T B̂ = v̂ × Ê = î × ĵ = k̂ So, B⃗ = 3.2 × 10⁻⁸ k̂ T

A plane electromagnetic wave of frequency 35 MHz travels in free space along the X-direction. At a particular point (in space and time) E ⃗ \vec{E} E = 9.6ĵ V/m. The value of magnetic field at this point is :