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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: OCR Physics A (H556), A-level, 6.3.3 Electromagnetism. Topic: Electromagnetic Induction.

Key terms in this lesson

internal energy: The sum of the randomly distributed kinetic and potential energies of the particles, atoms or molecules, of a system.

More in Electromagnetic Induction

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