The maximum strength of the magnetic field in a electromagnetic wave is 900 N/C.

Question

The maximum strength of the magnetic field in a electromagnetic wave is 900 N/C. What is the maximum strength of the wave's electric field?
900 N/C 3.0 x 10^-6 T 9.0 x 10^-6 T 900 T Can’t be determined
The maximum strength of the magnetic field in a electromagnetic wave is 900 N/C. What is the maximum strength of the wave's electric field?
900 N/C 3.0 x 10^-6 T 9.0 x 10^-6 T 900 T Can’t be determined
The maximum strength of the magnetic field in a electromagnetic wave is 900 N/C. What is the maximum strength of the wave's electric field?
900 N/C 3.0 x 10^-6 T 9.0 x 10^-6 T 900 T Can’t be determined

Explanation / Answer

Answer: Given that maximum strength of magnetic field B(max)=900 N/C

The maximum strength of electric field E(max)-?

We know that E=C*B

where c is velocity of light,=3*10^8 m/s

therefore E(max)= 3*10^8*9*10^2=27*10^10 N/C or V/m

For given options ,cannot be determined.

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