Magneto-electric. adj.
Relating to induced electric effects due to the cutting of true magnetic
lines of force by, or equivalent action of or upon a conductor. These
effects are identical with electro-magnetic effects and are only
distinguished from them by the field being due to a permanent magnet
instead of an electromagnet.
Magneto-electric Brake.
A device for bringing to rest an oscillating galvanometer needle. It
consists essentially of a coil in circuit with a key and with the
galvanometer. On opening the circuit an inverse current is established
by induction, tending to bring the needle to rest.
Magneto-electric Generator.
A current generator operating by maintaining a potential difference at
its terminals, by reactions in a field of force, which field is
established by a permanent magnet.
The cut, Fig. 230, shows the general principle of construction of a
direct current generator. The armature is rotated between the poles of a
permanent magnet. Any of the regular types of dynamo armature can be
used. From its commutator the current is taken by brushes.
Fig. 230. MAGNETO-ELECTRIC GENERATOR.
Fig. 231. MAGNETO-ELECTRIC GENERATOR.