Multiple Choice
What is the energy density in the magnetic field 25 cm from a long straight wire carrying a current of 12 A?
A) 7.3 × 10-5 J/ m3
B) 3.7 × 10-5 J/ m3
C) 3.6 × 10-4 J/ m3
D) 1.2 × 10-4 J/ m3
E) cannot be determined with the information given
Correct Answer:
Verified
Correct Answer:
Verified
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