WJEC A-Level Physics (Wales) · WJEC A430QS
4.4 Magnetic fields
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Magnetic fields
- A student has two identical-looking metal rods. One rod is a permanent bar magnet and the … (5 marks, Explain)
- A student places a steel nail and a soft iron nail next to a bar magnet. After removing th… (5 marks, Explain)
- A student places a soft iron bar inside a solenoid connected to a battery. Explain why the… (5 marks, Explain)
- A student holds a bar magnet near a pile of iron filings and some small pieces of plastic.… (5 marks, Describe and Explain)
- Explain how a plotting compass can be used to map the magnetic field around a bar magnet, … (5 marks, Explain)