A very long thin wire produces a magnetic field of 0.0050 × 10-4 T at a distance of 3.0 mm from the central axis of the wire. What is the magnitude of the current in the wire? (?0 = 4? × 10-7 T • m/
A)
A) 7.5 mA
B) 1.7 mA
C) 3300 mA
D) 24,000 mA
A
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What will be an ideal response?
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a. faster than b. slower than c. the same as
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What will be an ideal response?
Due to increasing amounts of terrestrial radio noise, in the future SETI telescopes may be placed
A) on the tops of tall mountains B) in near-Earth orbit C) on the far side of the Moon D) in remote desert locations