 A bar magnet is held vertically and two equal straight bits of soft iron wire hang downwards from its lower end. The lower end of each of these wires can by itself hold up a small scrap of iron ; but if the lower ends of both wires touch the same scrap...  Magnetism and electricity - Page 179by Richard Wormell - 1882 - 260 pagesFull view - About this book
 | Great Britain. Education Department. Department of Science and Art - 1877 - 562 pages
...to point towards magnetic north and south, it does not move bodily in either of these directions. 2. A bar magnet is held vertically and two equal straight...time, they do not hold it up ; what is the reason ot this ? 3. A strong bar magnet is set upright and a sheet of cardboard rest^ horizontally on the... | |
 | James Overend (M.A.) - 1885 - 98 pages
...the magnet, instead of the north, is placed near the ball? Illustrate your answers by diagrams. 2. A bar magnet is held vertically and two equal straight...they do not hold it up ; what is the reason of this? '•'<. What is the magnetic condition of a bar of soft iron held near to and parallel with a bar magnet... | |
 | Arthur William Poyser - 1889 - 264 pages
...takes place. If, however, it be brought quite close to the needle attraction ensues. Explain this. 11. A bar magnet is held vertically, and two equal straight...wires can by itself hold up a small scrap of iron ; bnt if the lower ends of both wires touch the same scrap of iron at the same time, they do not hold... | |
 | Charles Josiah Woodward - 1891 - 120 pages
...effect with increase of distance. Comparison between such effects on hard steel and on soft iron. I. A bar magnet is held vertically and two equal straight...they do not hold i't up. What is the reason of this? (2, 1881.') 2. A strong bar magnet is set upright 'and a sheet of cardboard rests horizontally on the... | |
 | Mark Robinson Wright - 1892 - 262 pages
...Give a sketch. 7. A bar magnet is l|eld vertically and two equal straight pieces of wire (soft iron) hang downwards from its lower end. The lower end of...scrap of iron ; but if the lower ends of both wires tcuch the same scrap of iron at the same time, they do not hold it up ; what is the reason of this... | |
 | Harry Edwin Hadley - 1901 - 362 pages
...keeper. QUESTIONS ON CHAPTER III 1. A bnr-magnet is held vertically, and two equal straight pieces of soft iron wire hang downwards from its lower end....they do not hold it up. What is the reason of this 1 (1801.) 3. If a compass-needle is deflectcd when a steel bar is brought near it, how can you find... | |
 | Arthur William Poyser - 1903 - 398 pages
...takes place. If, however, it be brought quite close to the needle attraction ensues. Explain this. n. A bar magnet is held vertically, and two equal straight...wires can by itself hold up a small scrap of iron ; bnt if the lower ends of both wires touch the same scrap of iron at the same time, they do not hold... | |
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