Multiple Choice
A solenoid is 15 cm long,has a radius of 5 cm,and has 400 turns.If it carries a current of 4 A,the magnetic energy stored in the solenoid is
A) 84.2 mJ
B) 0.562 J
C) 3.37 J
D) 12.6 mJ
E) None of these is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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