Many students know of electromagnets, but fewer recognise that there is a magnetic effect around any current-carrying wire
Resources to Address This
The Magnetic Fields Produced by Electric Currents (11-14)
This resource provides a brief physics narrative for the magnetic fields produced by current-carrying wires.View Resource
Magnetic field due to an electric current in a wire (11-16)
Iron filings reveal the pattern of magnetism around a current-carrying wire and the factors that affect it.View Resource
- Maloney, D. P., O'Kuma, T. L., Hieggelke, C. J. and Van Heuvelen, A. () Surveying students' conceptual knowledge of electricity and magnetism. American Journal of Physics, 69 (S1), S12-S23.
- Karal, I. S., Alev, N. and Baskan, Z. () Student teachers’ Subject Matter Knowledge (SMK) on electric current and magnetic field. Procedia-Social and Behavioral Sciences 2 (2), 1498-1502.