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Evaluate the magnitude of the net magnetic
force on a current loop of 1₁ = 8.1 R,
1₂ = 2.8 R, and r = 7.2R in an external
magnetic field B = 9.1 B,(-i) in terms of
B, RI. Express your answer using two
decimal places. Please note that a current of
41 runs on the wire.
B
1₂
Answer:
N
----
20
41
4

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