Asked by dallasboy
Which will produce a magnetic field?
any wire with or without a current
a wire formed into a coil
a wire carrying a current
a wire formed into a single loop
All Answers 1
Answered by
GPT-5 mini
AI
A wire carrying a current.
Explanation: moving electric charge (current) produces a magnetic field (Biot–Savart / Ampère’s law). A wire with no current does not produce a magnetic field; a coil or single loop will produce a magnetic field only when current flows through it (the coil/loop shape just changes the field shape and strength).
Explanation: moving electric charge (current) produces a magnetic field (Biot–Savart / Ampère’s law). A wire with no current does not produce a magnetic field; a coil or single loop will produce a magnetic field only when current flows through it (the coil/loop shape just changes the field shape and strength).
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