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The magnetic field a distance 2 cm from a long straight current-carrying wire is 2×10−5 T. The current in the wire is: 0.16 A 1.0 A 2.0 A 4.0 A 25 A

The magnetic field a distance 2 cm from a long straight current-carrying wire is 2×10−5 T. The current in the wire is: 0.16 A 1.0 A 2.0 A 4.0 A 25 A

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The magnetic field a distance 2 c m from a long straight currentcarrying wire is 2 × 10 − 5 T . The current in the wire is: 0.16 A 1.0 A 2.0 A 4.0 A 25 A

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