counter electromotive force

American  

noun

Electricity.

1. an electromotive force that is created by a chemical or magnetic effect upon a circuit and that acts in opposition to the applied electromotive force of the circuit.

---

Example Sentences

Substitution of the hydrogen by some other substance which does not give a counter electromotive force of polarization; for instance, in the Daniell cell by replacement of the copper in copper sulphate by the hydrogen, the copper being deposited on the positive pole.

From Project Gutenberg

There was nothing I could find bearing upon the counter electromotive force of the armature, and the effect of the resistance of the armature on the work given out by the armature.

From Project Gutenberg

When an alternating current flows through a coil of wire the reversals of the current set up a counter electromotive force in it which opposes, that is reacts, on the current, and the higher the frequency of the current the greater will be the reactance.

From Project Gutenberg