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4.5.3 Magnetic effect of a current

Syllabus
0625–2026–2027
Topic
4.5.3
Level
—

4.5.3.1—Pattern and direction of the magnetic

  • Describe the pattern and direction of the magnetic field due to currents in straight wires and in solenoids

4.5.3.2—An experiment to identify the pattern

  • Describe an experiment to identify the pattern of the magnetic field (including direction) due to currents in straight wires and in solenoids

4.5.3.3—Magnetic effect of a current is used

  • Describe how the magnetic effect of a current is used in relays and loudspeakers and give examples of their application

4.5.3.4—Qualitative variation of the strength

  • State the qualitative variation of the strength of the magnetic field around straight wires and solenoids

4.5.3.5—Effect on the magnetic field around

  • Describe the effect on the magnetic field around straight wires and solenoids of changing the magnitude and direction of the current

Objective notes

5 learning objectives
ConceptIGCSE Physics