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A Straight Wire of Length 3 \circ with the Magnetic Field Lines

Question 2

Multiple Choice

A straight wire of length 3.5 m carries a current and it is placed on a horizontal table in a horizontal uniform magnetic field of 0.14 T.The wire makes an angle of 44 \circ with the magnetic field lines.If the magnitude of the magnetic force on the wire is 9.0 N,what is the current in the wire?


A) 36 A
B) 42 A
C) 48 A
D) 67 A
E) 26 A

Correct Answer:

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