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a start ... please improve
A '''solenoid''' is a useful device that generates a nearly uniform magnetic field, similar to that of a bar magnet, from an electrical current.
A '''solenoid''' consists of a tightly-wound coil of wire to generate a magnetic field perpendicular to the ends of the coil.
Cars have solenoids, which are particularly useful for starting engines.
[[Category:physics]]
[[Category:engineering]]
A '''solenoid''' consists of a tightly-wound coil of wire to generate a magnetic field perpendicular to the ends of the coil.
Cars have solenoids, which are particularly useful for starting engines.
[[Category:physics]]
[[Category:engineering]]