Problem: The magnetic field created by a long straight wire carrying a current iA) decreases by a factor of four as the distance doubles.B) increases by a factor of four as the distance doubles.C) remains unchanged as the distance doubles.D) decreases by a factor of two as the distance doubles.E) increases by a factor of two as the distance doubles.

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Problem Details

The magnetic field created by a long straight wire carrying a current i

A) decreases by a factor of four as the distance doubles.

B) increases by a factor of four as the distance doubles.

C) remains unchanged as the distance doubles.

D) decreases by a factor of two as the distance doubles.

E) increases by a factor of two as the distance doubles.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Magnetic Field Produced by Straight Currents concept. You can view video lessons to learn Magnetic Field Produced by Straight Currents. Or if you need more Magnetic Field Produced by Straight Currents practice, you can also practice Magnetic Field Produced by Straight Currents practice problems.

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Our expert Physics tutor, Juan took 2 minutes and 52 seconds to solve this problem. You can follow their steps in the video explanation above.