The rms value of the magnitude of the magnetic field in an electromagnetic wave is Brms = 0.378 T.The average energy density of this wave is approximately
A) 114 kJ/m3
B) 28.4 kJ/m3
C) 31.8 kJ/m3
D) 67.8 kJ/m3
E) 56.9 kJ/m3
Correct Answer:
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