. Dental and oral radiography; a textbook for students and practitioners of dentistry . 1). The inner coil, or primary, as it is called, consistsof a few turns of very coarse insulated ^^ire Avrappedabout a bundle of soft iron which is knomi as the mag-netic core. The outer coil, or secondary is made up of a greatmany turns of fine insulated wire. It has been estimatedthat in a 12-inch induction coil the secondary coil iswound with between twenty and thirty miles of , of course, makes possible an enormous number of turns of wire so that when we consider that each turnof the secondary


. Dental and oral radiography; a textbook for students and practitioners of dentistry . 1). The inner coil, or primary, as it is called, consistsof a few turns of very coarse insulated ^^ire Avrappedabout a bundle of soft iron which is knomi as the mag-netic core. The outer coil, or secondary is made up of a greatmany turns of fine insulated wire. It has been estimatedthat in a 12-inch induction coil the secondary coil iswound with between twenty and thirty miles of , of course, makes possible an enormous number of turns of wire so that when we consider that each turnof the secondary induces a current in the turn directlyadjacent to it, which must be added to the current in-duced in the first layer by the action of the primary cur-rent, the sum total of the current coming from the sec-ondary amounts to something tremendous. To. compute the , of the induced current (orthat coming from the secondary), we have but to remem-ber that the , of the induced current is to thatof the primary current, as the number of turns in the 44 DENTAL AND OKAL RADIOGEAPHY.


Size: 2104px × 1188px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectradiogr, bookyear1919