| 单词 | mutual inductance |
| 例句 | The larger the mutual inductance M , the more effective the coupling. College Physics for AP Courses 2015-08-12T00:00:00Z Neumann founded a mathematical theory of induced currents, discovering a quantity M, called the “potential of one circuit on another,” or generally their “coefficient of mutual inductance.” Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z There’s a case where their mutual relations, their mutual inductance, makes the job easier. Letters of a Radio-Engineer to His Son Their mutual inductance M indicates the effectiveness of the coupling between them. College Physics for AP Courses 2015-08-12T00:00:00Z A large mutual inductance M may or may not be desirable. College Physics for AP Courses 2015-08-12T00:00:00Z One way to reduce mutual inductance M is to counterwind coils to cancel the magnetic field produced. College Physics for AP Courses 2015-08-12T00:00:00Z We want a transformer to have a large mutual inductance. College Physics for AP Courses 2015-08-12T00:00:00Z If the coils are parallel but wound in opposite directions as in Fig. 46c they will have less inductance because of their mutual inductance. Letters of a Radio-Engineer to His Son But an appliance, such as an electric clothes dryer, can induce a dangerous emf on its case if the mutual inductance between its coils and the case is large. College Physics for AP Courses 2015-08-12T00:00:00Z If the coils are neither parallel nor at right angles there will be some mutual inductance but not as much as if they were parallel. Letters of a Radio-Engineer to His Son Figure 23.40 The heating coils of an electric clothes dryer can be counter-wound so that their magnetic fields cancel one another, greatly reducing the mutual inductance with the case of the dryer. College Physics for AP Courses 2015-08-12T00:00:00Z There is another way of varying the mutual inductance. Letters of a Radio-Engineer to His Son As we pull the coil out the mutual effect becomes less and finally when it is well outside the mutual inductance is very small. Letters of a Radio-Engineer to His Son And this extra trouble would be because of the relations between gangs, that is, because of their “mutual inductance.” Letters of a Radio-Engineer to His Son |
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