Physics · Electromagnetic Waves
A plane electromagnetic wave is moving in free space with velocity c = 3 × 108 m/s and its electric field is given as E = 54 sin(kz - ωt)ĵ V/m where ĵ is the unit vector along y-axis. The magnetic field vector B of the wave is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1+1.8 × 10-7 sin(kz - ωt)î T
- 21.4 × 10-7 sin(kz - ωt)î T
- 31.4 × 10-7 sin(kz - ωt)k̂ T
- 4-1.8 × 10-7 sin(kz - ωt)î T✓
Correct answer
-1.8 × 10-7 sin(kz - ωt)î T
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