| 单词 | electromagnet |
| 释义 | electromagnet noun[C] physicsspecializeduk/iˌlek.trəuˈmæɡ.nət/us/iˌlek.troʊˈmæɡ.nət/adevicemade from apieceofironthatbecomesmagneticwhen achangingcurrentispassedthrough thewirethat goes around it 电磁铁；电磁体Electrical components & circuitry
Examplesofelectromagnetelectromagnet A current to theelectromagnetwas supplied by a battery and was changed with a variable resistance. From theCambridge English Corpus Anelectromagnetwas used in order to produce a magnetic field. From theCambridge English Corpus This consists of anelectromagnetthat deflects electrons away from the axis. From theCambridge English Corpus At the top of the columns anelectromagnetis attached holding up a screen. From theCambridge English Corpus Only when the current of theelectromagnetis broken does the card become visible through an opening in the screen. From theCambridge English Corpus But the functioningelectromagnetnecessitates the existence of the field. From theCambridge English Corpus To increase the torque transmission capacity, another shear disk is added on the other side of theelectromagnetcoil, forming a symmetrical structure. From theCambridge English Corpus The electromagnet's current links the display of time on the clockface with the measurement device in the chronoscope. From theCambridge English Corpus Consider an electromagnetic field surrounding anelectromagnet. From theCambridge English Corpus Voltages induced in the receivers by three fixed electromagnets situated around the subject's head were used to determine location of the receivers in the midsagittal plane. From theCambridge English Corpus I do not know whether they are using electromagnets or something like that, but they appear to hoover the sea. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 With this configuration the armature is through-bolted through the door and oriented to mate with the face of theelectromagnet. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.The central controller system vibrated theelectromagnetlike an audio-speaker voice coil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Eventually, single-channel gave way to multi channel devices (at significantly higher cost) with various audio tones driving electromagnets affecting tuned resonant reeds for channel selection. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.This "musical telegraph" used steel reeds with oscillations created by electromagnets transmitted over a telegraphy line. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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