Reference was made in connection with the electrical ignition of internal-combustion engines (p. 101) to the induction coil.
Does the spark of an induction coil occur at "make" or at "break?"
Could you tell me how to make an induction coil for taking shocks?
Immediately in front of the ringer magnets is the induction coil.
It closes the transmitter battery circuit at the same time through the primary of the induction coil.
By this simple illustration we have made an induction coil which may be used for making a high tension jump spark.
The energy which we can get from a battery and induction coil is not sufficient for any very long distances.
The arrangement consists in connecting the aerial to an induction coil, and connecting the latter with a ground wire.
The operations of the transmitter, induction coil and receiver, however, are the same in all telephones.
But anyone who wants, any time, can disprove the whole principle of the induction coil.
|induction coil |