A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 862
d asabove, writing down the value of the current as observed by the ammeterin the current column. Then repeat with a slightly larger current, pro-ceeding until ten values of the current have been employed. Plot on acurve the values of i and tan 6, when it will be found that the points lievery… … Fig. 779.- Use of the tangent galvano-meter. 838 MAGNETISM AND ELECTRICITY chapF The value of i/tan d may be taken from the graph, but it must be notice<that the current as recorded by the ammeter must be divided by 10, foa reason given later (p. 843). In this way the value of H is obtained.…
Physics
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