A 5 M Length of Wire Carrying a Current of 5

question 9

Multiple Choice

A 5 m length of wire carrying a current of 5 A lies on a horizontal table with a rectangular top of dimensions 0.300 m × 0.400 m.The ends of the wire are attached to opposite ends of a diagonal of the rectangle.A vertical magnetic field of 0.30 T is present.What magnetic force acts on this segment of wire?

• A)0.75 N
• B)1.1 N
• C)7.5 N
• D)zero
• E)The force cannot be determined without knowing the shape of the length of wire.

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