back emf in a sentence

1) This opposing electric field is called "counter-electromotive force" (back EMF).

2) The concern is the "back EMF" generated in that circuit after the flash has fired.

back collocations
3) The back emf will decrease therefore the difference from used voltage along with back emf will enhance.

4) The back emf will decrease therefore the difference from used voltage along with back emf will enhance.

back emf example sentences

5) Coupled with the back emf from pick up coils, this unit should go way over-unity.

6) When the motor is over excited, the back emf will be greater than the motor terminal voltage.

7) This provides a back emf that can be employed to charge a secondary battery on the motor side.

8) There is also a back emf energy recovery system that is described in the fourth paragraph and also later on in the patent text.

9) When a current starts flowing in a loop, a magnetic field starts building up and this changing field causes a back emf around the circuit which opposes the increase of current; this is Lenz's law.

10) Any further increase would eliminate the flux which sustains its operation, and the current is maintained irrespective of the resistance of the load or the back emf produced by it.

11) The back emf is the reason that the motor when free-running does not appear to have the same low electrical resistance as the wire contained in its winding.

12) During normal operation, the spinning of the motor produces a voltage, known as the counter-emf (CEMF) or back EMF, because it opposes the applied voltage on the motor.

13) This circuit is unsuitable for applications relying on the back emf property of an inductor as this will be limited in a gyrator circuit to the voltage supplies of the op-amp.

14) Others measure the back emf in the undriven coils to infer the rotor position, eliminating the need for separate Hall effect sensors, and therefore are often called "sensorless" controllers.

example sentences with back

15) The back emf is strongest at the center of the conductor, and forces the conducting electrons to the outside of the conductor, as shown in the diagram on the right.

16) In AC machines, it is sometimes useful to consider a back emf source within the machine; this is of particular concern for close speed regulation of induction motors on VFDs, for example.

17) If the mechanical load increases, the motor slows down; a lower back emf results, and more current is drawn from the supply.

18) The back emf of the motor, plus the voltage drop across the winding internal resistance and brushes, must equal the voltage at the brushes.

19) Faraday's law of electromagnetic induction gives the back emf __FORMULA__ (voltage opposing current) due to a rate-of-change of magnetic flux density __FORMULA__ through a current loop.

20) The transient ( back EMF) spikes that are generated from the fast switching MJL21194 transist... Unbreakable LED Bulb Dropped it many times, and it still works!

21) what is sub atomic back emf ?

22) The firing circuit is protected by reverse polarity so that the back emf is not a problem either..

23) Pick-up coils wound around the electromagnet utilize the collapsing magnetic field [back EMF] of the power pulse to generate a current that can be employed to recharge secondary batteries.

24) back emf","Class":"{col0 coll}"}],"Right":[],"TokenNum":1174595937}

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