Solenoid yɛ waya a ɛyɛ coil a ɛma magnetic field ba bere a anyinam ahoɔden bi sen fa mu no. Nnyinasosɛm titiriw a ɛwɔ solenoid mu no gyina abusuabɔ a ɛda anyinam ahoɔden ne magnetism ntam so. Sɛ anyinam ahoɔden fa waya mu a, ɛma magnetic field twa waya no ho hyia. Magnetic field a waya biako de ba no yɛ mmerɛw kakra, nanso sɛ wɔde waya no kuru no kɔ coil anaa helix mu a, ɛyɛ solenoid.
Nnyinasosɛm atitiriw a ɛwɔ solenoid mu ne nea edidi so yi:
coil a ɛwɔ waya mu:Solenoid yɛ waya a ɛyɛ kurukuruwa a ɛyɛ den. Mpɛn pii no, wɔde nhama no siw nhama no ano na amma ankyɛ na ama coil no mudi mu ayɛ den.
Mprempren nsu a ɛsen: .Sɛ anyinam ahoɔden fa coil no mu a, ɛma magnetic field twa coil no ho hyia. Magnetic field no mu yɛ den wɔ coil no mu na ɛyɛ mmerɛw wɔ abɔnten.
magnetic polarity: .Wɔnam anyinam ahoɔden a ɛsen fa coil no mu no so na ɛkyerɛ magnetic field a ɛwɔ solenoid no mu no kwan. Wobu solenoid no awiei wɔ baabi a magnetic field lines no pue no sɛ atifi fam dua, na wobu awiei a ɛwɔ baabi a nsensanee no hyɛn mu no sɛ anafo fam dua no. Eyi te sɛ magnetic field kwankyerɛ a ɛwɔ bar magnet mu no.
Electromagnetic nkitahodi:Wɔtaa de solenoids di dwuma wɔ electromechanical mfiri mu. Sɛ wɔde ferromagnetic core (a wɔtaa de dade na ɛyɛ) gu coil no mu a, magnetic field no mu yɛ den, na solenoid no yɛ adwuma yiye wɔ magnetic nneɛma afoforo a ɛtwetwe anaasɛ ɛpam no mu.
Solenoids hu nneɛma ahorow a wɔde di dwuma wɔ da biara da mfiri ahorow mu, te sɛ electromagnetic locks, doorbells, relays, ne valve ahorow bi. Tumi a solenoid tumi dannan anyinam ahoɔden ma ɛdan mfiri anaa magnetic tumi no ma ɛyɛ ade a ɛyɛ adwuma pii wɔ anyinam ahoɔden ne ɛlɛtrɔnik nhyehyɛe pii mu.
