| 单词 | self-inductance |
| 例句 | The larger the self-inductance L of a device, the greater its opposition to any change in current through it. College Physics for AP Courses 2015-08-12T00:00:00Z The inertia or mass of the bob is the analogue of what Thomson called the electromagnetic inertia of the coil and connections; what is now generally called the self-inductance of the conducting system. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z It’s hard to get electrons going around a coil and the self-inductance of a circuit tells us how hard it is. Letters of a Radio-Engineer to His Son The self-inductance of the circuit is affected by any metal object in the path. College Physics for AP Courses 2015-08-12T00:00:00Z The self-inductance L of an inductor is proportional to how much flux changes with current. College Physics for AP Courses 2015-08-12T00:00:00Z It means that self-inductance L depends on how effective the current is in creating flux; the more effective, the greater ΔΦ / ΔI is. College Physics for AP Courses 2015-08-12T00:00:00Z What is the self-inductance of the device if an induced 150 V emf opposes this? College Physics for AP Courses 2015-08-12T00:00:00Z Just as the self-inductance of a coil opposes the starting of a stream of electrons, so it opposes the stopping of a stream which is already going. Letters of a Radio-Engineer to His Son A device that exhibits significant self-inductance is called an inductor, and given the symbol in Figure 23.41. College Physics for AP Courses 2015-08-12T00:00:00Z How would you shape a given length of wire to give it the greatest self-inductance? College Physics for AP Courses 2015-08-12T00:00:00Z This is the self-inductance of a solenoid of cross-sectional area A and length ℓ . College Physics for AP Courses 2015-08-12T00:00:00Z The harder it is the more self-inductance we say that the coil or circuit has. Letters of a Radio-Engineer to His Son And any path in which such an effect will be produced we say has “self-inductance.” Letters of a Radio-Engineer to His Son Of course, we need a unit in which to measure self-inductance. Letters of a Radio-Engineer to His Son But that is more self-inductance than we can stand in most radio circuits, so we find it convenient to measure in smaller units called “mil-henries” which are thousandths of a henry. Letters of a Radio-Engineer to His Son |
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