A Region of Space Contains a Magnetic Field of 500

question 34

Multiple Choice

A region of space contains a magnetic field of 500 G and an electric field of
3 *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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