The magnetic field in an electromagnetic wave has a peak value given by B = 3.5?T . |
Part A For this wave, find the peak electric field strength. Express your answer using two significant figures.
SubmitMy AnswersGive Up Part B Find the peak intensity. Express your answer using two significant figures.
SubmitMy AnswersGive Up Part C Find the average intensity. Express your answer using two significant figures.
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apply Intensity I = power/area = Emax^2 /2uoC
a,lso Emax = Bamx * C
Emax = 3.5e-6 *3e8
Ema x=1050 N/C
Epeak = 1.050 KN/C
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so I = 1050*1050/(4pie-7*3e8)
I = 2.929 KW/m^2
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Iavg = 2.929/2 = 1.462 KW/m^2
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