Physics · Electromagnetic Waves
Suppose a plane electromagnetic wave of frequency 10 MHz travels in free space along the y-direction. At a particular point in space and time, the electric field vector is E = 9.9 x V/m. The magnetic field vector B at this point is given by:
- 1B = 3.3 × 10 -8 z T✓
- 2B = 3.3 × 10 -6 x T
- 3B = 3.3 × 10 -6 y T
- 4B = 3.3 × 10 -8 x T
Correct answer
B = 3.3 × 10 -8 z T
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