Define magnetic flux density BBB in terms of the force on a wire.
The force per unit current per unit length on a wire placed parallel to the field.
The force per unit current per unit area on a wire placed at right angles to the field.
The force per unit current per unit length on a wire placed at right angles to the field.
The force per unit charge per unit length on a wire placed at right angles to the field.
Flashcards for Edexcel A Level Physics Magnetic forces, covering the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3. 23 cards, matched to the Edexcel A Level Physics (9PH0) specification.