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What is the peak electric and magnetic field of a wave given the cross sectional area and power output?
power output is 15W and the cross sectional area is 1mm
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- 9 years agoFavorite Answer
if we assume free space, then the power density is given
by P/A, the power is given by EH = E^2/Z where Z = 377 ohm
solve for E (rms) and H (rms)
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