Physics

Problem

If the magnetic field of a plane electromagnetic wave is given by (The speed of light =

3 \times 10^8 \text{ m/s}

)

B = 100 \times 10^{-6} \sin \left[ 2\pi \times 2 \times 10^{15} \left( t - \frac{x}{c} \right) \right]

then the maximum electric field associated with it is: a.

6 \times 10^4 \text{ N/C}

3 \times 10^4 \text{ N/C}

4 \times 10^4 \text{ N/C}

4.5 \times 10^4 \text{ N/C}