In a plane electromagnetic wave the electric field oscillates sinusoidally at a frequency $$3$$×$$1010Hz$$ and amplitude $$50$$ $$V/m$$. What is the amplitude of the oscillating magnetic fields?

Correct option is 11.67×10−7T

Questions

In a plane electromagnetic wave the electric field oscillates sinusoidally at a frequency $3 \times 10^{10} H z$ and amplitude 50 V/m. What is the amplitude of the oscillating magnetic fields?

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1.67×10−7T

0.67×10−2T

1.67×10−2T

0.67×10−5T

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detailed solution

Correct option is A

Amplitude of oscillating magnetic field is Bo=EoCBo=503×108Bo=1.67×10−7T

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In a plane electromagnetic wave the electric field oscillates sinusoidally at a frequency 3×1010Hz and amplitude 50 V/m. What is the amplitude of the oscillating magnetic fields?

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Ready to Test Your Skills?

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In a plane electromagnetic wave the electric field oscillates sinusoidally at a frequency $3 \times 10^{10} H z$ and amplitude 50 V/m. What is the amplitude of the oscillating magnetic fields?