At double the distance from a long current-carrying wire, the strength of the magnetic field produced by that wire decreases to a. 1/8 of its original value. c. 1/2 of its original value. b. 1/4 of its original value. d. none of the above.
At double the distance from a long current-carrying wire, the strength of the magnetic field produced by that wire decreases to a. 1/8 of its original value. c. 1/2 of its original value. b. 1/4 of its original value. d. none of the above.
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Subject: Electromagnetism
Transcribed Image Text:At double the distance from a long current-carrying wire, the strength of the magnetic field produced by that wire
decreases to
a. 1/8 of its original value.
c. 1/2 of its original value.
b. 1/4 of its original value.
d. none of the above.
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