CAIE IGCSE Physics 4.5.3.5 Effect on the Magnetic Field Around Questions

Learn how changing current changes magnetic field strength, direction and electromagnet behaviour.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • explain how increasing current increases the strength of a magnetic field
  • state how reversing current reverses magnetic field direction around a conductor or solenoid
  • relate current changes to electromagnet strength, field pattern and attraction effects

CAIE IGCSE Physics 4.5.3.5 Effect on the Magnetic Field Around Questions question 1

[Maximum number: 2]

Fig. 8.1 shows a wire carrying a large current.

Fig. 8.1

Fig. 8.1

The current in the wire increases and the direction of the current is reversed. State how these changes affect the magnetic field.

All question bank results loaded