Electromagnetic coil

（重定向自Magnetic coil）

The magnetic field lines (green) of a current-carrying loop of wire pass through the center of the loop, concentrating the field there

Diagram of typical transformer configurations

Field coil electromagnet on the stator of an AC universal motor.

Tank inductor in a tuned circuit in a shortwave radio transmitter

An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil, spiral or helix. Electromagnetic coils are used in electrical engineering, in applications where electric currents interact with magnetic fields, in devices such as inductors, electromagnets, transformers, and sensor coils. Either an electric current is passed through the wire of the coil to generate a magnetic field, or conversely an external time-varying magnetic field through the interior of the coil generates an EMF (voltage) in the conductor.

单词	Magnetic coil
释义	Magnetic coil 原声例句 SciShow 合集 Seven of these things stacked on top of each other will make one magnetic coil, and will weigh about as much as a 747. 将这些东西中的七个堆叠在一起将构成一个磁线圈，其重量与一架波音 747 差不多。英语百科 Electromagnetic coil （重定向自Magnetic coil） An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil, spiral or helix. Electromagnetic coils are used in electrical engineering, in applications where electric currents interact with magnetic fields, in devices such as inductors, electromagnets, transformers, and sensor coils. Either an electric current is passed through the wire of the coil to generate a magnetic field, or conversely an external time-varying magnetic field through the interior of the coil generates an EMF (voltage) in the conductor.
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