electromagnet coil造句

例句与造句

1. The motor seems like just a standard electric motor electromagnet coil around some sort of central axis.
2. The electromagnet coil draws more current initially, until its inductance increases when the metal core enters the coil.
3. The other common overload protection system uses an electromagnet coil in series with the motor circuit that directly operates contacts.
4. In a cathode-ray tube ( CRT ), such as that for an oscilloscope, a beam of electrons is accelerated by an electromagnet coil around the neck of the tube.
5. I have an antique telegraph relay, known as a  Pony Relay that has an electromagnet coil that acts on a hinged moving contact with a silver contact on each side, much like any relay.
6. It's difficult to find electromagnet coil in a sentence. 用electromagnet coil造句挺难的
7. The electrical signals inside the radio ( or whatever ) cause an electromagnet coil to pull or push a small magnet that's glued onto the back of the loudspeaker cone-when the cone moves forwards, it pushes a higher pressure " wave " of air ahead of it-and when it moves backwards it creates a region of lower pressure.
8. An additional safeguard is included in the distant-signal control wiring to ensure the AWS " clear " indication is only given when the distant is proved " off "  mechanical semaphore distants have a contact in the electromagnet coil circuit closed only when the arm is raised by at least 40 degrees, whilst colour-light distants have a sensing relay in the DR ( green ) filament circuit, and the newest type of single-aperture LED main signal unit has a " Green-Proved " output from its driver electronics that is used to enable the electromagnet via the SSI.