Multiple Choice
A 20-cm long conducting wire of 5-g carrying 5-A current is placed in a uniform magnetic field.The strength and direction of the magnetic field needed to levitate the wire are 
A) 49.05 mT into the page.
B) 49.05 mT out of the page.
C) 25 mT into the page.
D) 25 mT out of the page.
E) 15 mT into the page.
Correct Answer:
Verified
Correct Answer:
Verified
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