A region of space contains a magnetic field of 500 G and an electric field of 3 106 N/C.The magnetic energy density in a cubical box of side = 20 cm in this region is
A) 550 J/m3
B) 670 J/m3
C) 864 J/m3
D) 995 J/m3
E) None of these is correct.
Correct Answer:
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