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1. |
A plane wave travelling in a medium of εr = 1, μr = 1 (free space) has an electric field intensity of 100 √ π V/m. Determine the total energy density of this magnetic field. |
A. | 13.9 nJ/m3 |
B. | 27.8 nJ/m3 |
C. | 139 nJ/m3 |
D. | 278 nJ/m3 |
Answer» D. 278 nJ/m3 | |