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A Region of Space Contains a Magnetic Field of 500 ×\times

Question 23

Multiple Choice

A region of space contains a magnetic field of 500 G and an electric field of 3 ×\times 106 N/C.The electrical energy density in a cubical box of side  A region of space contains a magnetic field of 500 G and an electric field of 3  \times  10<sup>6</sup> N/C.The electrical energy density in a cubical box of side   = 20 cm in this region is A) 19.9 J/m<sup>3 </sup> B) 39.8 J/m<sup>3 </sup> C) 54.8 J/m<sup>3 </sup> D) 66.9 J/m<sup>3 </sup> E) 74.6 J/m<sup>3 </sup> = 20 cm in this region is


A) 19.9 J/m3
B) 39.8 J/m3
C) 54.8 J/m3
D) 66.9 J/m3
E) 74.6 J/m3

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