The advantage of this form lies in the fact that all lines of magnetic force are closed curves, passing through the core from the south to the north pole, and completing the circuit through the air from the north pole back to the south pole. Physics - Page 337by Henry Smith Carhart - 1917 - 478 pagesFull view - About this book
| Henry Smith Carhart, Horatio Nelson Chute - Physics - 1892 - 400 pages
...strength of a helix is greatly increased by the iron core. MAGNETISM AND ELECTRICITY. Fig. 150. 343. The Form given to an electro-magnet depends on the use to which it is to be put. The Horseshoe or U-shaped (Fig. 150) is the most common. The advantage of this form becomes apparent when attention... | |
| Henry Smith Carhart, Horatio Nelson Chute - Physics - 1901 - 464 pages
...pole, the current will be found to flow round in the direction of the fingers (§ 453). Fig. 254. 457. The Horseshoe Magnet. — The form given to an electromagnet...which it is to be put. The horseshoe or U-shape (Fig. 255) is the most common. The advantage of this form becomes apparent when attention is directed to... | |
| Henry Smith Carhart, Horatio Nelson Chute - Physics - 1901 - 486 pages
...found to flow round in the direction of the fingers (§ 453). MAGNETISM AND ELECTRICITY. Fig. 255. 457. The Horseshoe Magnet. — The form given to an electromagnet depends on the use to which it is to be put. The Jwrseahoe or U -shape (Fig. 255) is the most common. The advantage of this form becomes apparent when... | |
| Edmund Francis Lake - Steel - 1910 - 274 pages
...been caused by the hardening process. The temperature to which a piece should be raised for tempering depends on the use to which it is to be put, the condition in which it has been left by quenching, and the composition of the metal. The maximum temperature... | |
| Henry Smith Carhart, Horatio Nelson Chute - Physics - 1912 - 466 pages
...the current is then reversed, the conductor unwinds and winds up again in the reverse direction. 450. The Horseshoe Magnet. — The form given to an electromagnet...which it is to be put. The horseshoe or U-shape (Fig. 367) is the most common. The advantage of this form lies in the fact that all lines of magnetic force... | |
| Henry Smith Carhart, Horatio Nelson Chute - Physics - 1917 - 572 pages
...amount remaining is called residual magnetism. 485. Relation between a Magnet and a Flexible Conductor. James Clerk-Maxwell (1831-1879) was a remarkable physicist...passing through the core from the south to the north pole, and completing the circuit through the air from the north pole back to the south pole. The U-shape... | |
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