A coil of wire, or solenoid, consists of a wire coiled up into a spiral shape. When an electric current flows, the shape of the magnetic field is very similar to the field of a bar magnet.

Do not turn on for longer than necessary since the current carrying conductor becomes hot over time and ... Place compasses at various locations in and around the solenoid. Press and hold the power ...

Derive an expression for the magnetic field along the axis of a current-carrying solenoid. State and explain Ampere’s Circuital Law. Electromagnetic Induction & Alternating Current ...

A coil of wire, or solenoid, consists of a wire coiled up into a spiral shape. When an electric current flows, the shape of the magnetic field is very similar to the field of a bar magnet.