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You are standing 20 cm directly away from from the mid-point of a long, straight current carrying wire that runs east/west and are experiencing a magnetic field B1 due to the wire. If you were to move a new location that is 7 cm to the east of your initial location and 5 cm closer to the wire, you would experience a magnetic field of:

B1, 0.588 B1, (1/9)B1, 3.27 B1, 6.1 B1, 1.33 B1, (1/6) B1, 1.54 B1

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