A straight wire of length 70 cm carries a current of 50 A and makes an angle of 60° with a uniform magnetic field. If the force on the wire is 1.0 N what is the magnitude of B?

A. 41 mT
B. 33 mT
C. 55 mT
D. 87 mT
E. 57 mT


Answer: B

Physics & Space Science

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