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

question 52

Multiple Choice

A region of space contains a magnetic field of 500 G and an electric field of 3 $\times$ 10⁶ N/C.The total energy density in a cubical box of side = 20 cm in this region is

• A)19.4 kJ/m³
• B)12.2 kJ/m³
• C)1.03 kJ/m³
• D)66.9 J/m³
• E)24.6 J/m³

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