A student wants to design a device where the magnetic field due to a straight conductor is maximized at a certain point. Which modification will be most effective in increasing the field strength at that point?

Question

A student wants to design a device where the magnetic field due to a straight conductor is maximized at a certain point. Which modification will be most effective in increasing the field strength at that point? — Exam MCQ

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A. Increase the current through the conductor — The correct choice is Increase the current through the conductor. The result follows from the relevant magnetic-field, electromagnetic-induction or Fleming/right-hand-rule principle.

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B. Place the conductor horizontally

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C. Use a non-magnetic wire material

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D. Increase the thickness of the wire

A student wants to design a device where the magnetic field due to a straight conductor is maximized at a certain point. Which modification will be most effective in increasing the field strength at that point?

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