单词 | primary winding |
例句 | Connect one end of the primary winding to an electric battery, and with the other lead of the primary winding brush against the other terminal of the battery, as indicated. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z So long as a closed circuit is maintained feeble currents will pass through the primary winding, and so long as the contact points are together this condition will exist. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z The condensers are bridged across the primary windings of the transformers for the purpose of aiding in smoothing out the current waves. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. The transmitters, it will be noticed, are located in battery circuits, including the primary windings P P2 of induction coils. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use The winding of the induction coil which is in series with the transmitter and the battery is called the primary winding; the other is called the secondary winding. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. A condenser is used to absorb the self-induced current of the primary winding and thus prevent it opposing the rapid fall of the primary current. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The primary winding consists of 4 or 5 layers of No. 18 or 20 single cotton-covered magnet wire, the ends of which may be passed through small holes in the wooden ends. The Boy Mechanic: Volume 1 700 Things for Boys to Do The two primary windings 10 and 11 are on separate induction coils, the secondary windings 13 and 14 being, therefore, on separate cores. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. Changes in the circuit of the primary winding produce potentials in the secondary winding correspondingly higher than the potentials producing them. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The circuit containing the battery, transmitter, and primary winding of the induction coil is called the local circuit. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Connect one end of the primary winding to a battery and brush the other end of the primary winding against the other terminal of the battery as indicated in fig. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z In practice these two primary windings are connected in one circuit and the two secondaries in another. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. It is usually provided with two primary windings placed opposite each other upon the core, and with two secondary windings, one over each primary. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The primary winding is usually indicated by a heavy line having a fewer number of zig-zags, and the secondary by a finer line having a greater number of zig-zags. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The relation between the windings of the induction coil in this practice are such that the secondary winding contains many more turns than the primary winding. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. This is prevented by self-induction in the primary winding, which opposes any change in the current strength. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The method of bringing out the winding terminals is clearly indicated in this figure, the terminal wires 2 and 4 being those of the primary winding and 1 and 3 those of the secondary winding. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. |
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