Multiple Choice
How much energy is stored in a room 3.0 m by 4.0 m by 2.4 m due to the earth's magnetic field with a strength of 5.0 × 10-5 T? (μ0 = 4π × 10-7 T ∙ m/A)
A) 570 mJ.
B) 29 mJ.
C) 10 mJ.
D) 100 mJ.
E) 570 mJ.
Correct Answer:
Verified
Correct Answer:
Verified
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