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Solenoid

When a current is passed through a long coil, a magnetic field is produced in and around it. The field lines are similar to those of a bar magnet. If the right hand is wrapped around an imaginary solenoid in the direction of the current, the thumb points to the North pole.

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Specification: AQA Physics (7408), A-level, 3.7.5.3 Magnetic flux and flux linkage. Topic: Electromagnetic Induction.

Key terms in this lesson

Binding energy
The energy needed to completely separate a nucleus into its individual, unbound protons and neutrons.

More in Electromagnetic Induction

All 12 lessons in Electromagnetic Induction · All AQA A-level Physics topics