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A Straight Wire 20 Cm Long, Carrying a Current of 4

Question 101

Multiple Choice

A straight wire 20 cm long, carrying a current of 4 A, is in a uniform magnetic field of 0.6 T. What is the force on the wire when it is at an angle of 30° with respect to the field?


A) 0.2 N
B) 0.3 N
C) 0.4 N
D) 0.5 N
E) 0.6 N

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