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Magnetic fields and the motor effect

Magnetic fields and the motor effect

Motor effect diagram showing N and S poles, a wire with current out of the page, upward force, and Fleming's left-hand rule labels

A magnetic field is the region where a magnet, magnetic material, or moving charge can experience a force. Outside a bar magnet, field lines go from north to south. A conductor such as copper lets charge flow easily, so it is commonly used for circuit wires.

Uses of magnetism Lesson

  1. GCSE
  2. /Physics
  3. /Uses of magnetism

Step-by-step lessons on OCR GCSE Physics Uses of magnetism. Each one builds up to exam-style questions. Paper 2 and Paper 4 include synoptic questions that draw on Topics P1–P4, so revisit earlier topics before final exams rather than treating each paper as self-contained.

Lessons