 | Dugald Caleb Jackson - 1902 - 568 стор.
...meridian) like the needle. The magnetic force due to the coil, which is at right angles to its wire,1 is then at right angles to the magnetic force of the...The direction of the current is shown by the side toward which the north pole of the needle moves.2 The strength of the current is indicated by the amount... | |
 | Dugald Caleb Jackson, John Price Jackson - 1902 - 510 стор.
...meridian) like the needle. The magnetic force due to the coil, which is at right angles to its wire,1 is then at right angles to the magnetic force of the...the presence of a current is shown by the deflection _of the needle. The direction of the current is shown by the side toward which the north pole of the... | |
 | Coates Walton Swoope - 1909 - 544 стор.
...deflection, of the needle may be noted. When such an instrument is connected in a circuit the presence of the current is shown by the deflection of the needle. The direction of the current is shown by the Battery Fig. 152. — Simple Galvanometer. side towards which the N-pole of the needle moves, ^[ 168.... | |
 | Coates Walton Swoope - 1913 - 548 стор.
...deflection, of the needle may be noted. When such an instrument is connected in a circuit the presence of the current is shown by the deflection of the needle. The direction of the current is shown by the Bntttry Fig. 152,— Simple Galvanometer. Fig. 153.— Student's Detector Galvanometer. side towards... | |
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... galvanometer is intended for use with comparatively large currents. In some cases the coil of the galvanometer is placed so that it stands in an exact north and south position (that is, in the magnetic meridian) like the needle. The magnetic force... 