Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 257
a matter of removing the suitable plugs. We can thus with certainty measure to th of i ohm, which is better 1000 than measuring to smaller fractions with uncertainty. § 7. Resistance of a Galvanometer.—This can be measuredas any other resistance; but a very simple method is as follows. Sir Wm.… … have a key K, by means of which we can make or break con-nection between B and B at will. The galvanometer- G will have a deflexion due to the currentthrough A B ; the battery power and resistance in the external circuit A P C must be soadjusted as to give a reason-able deflexion of G. We adjust…
Electricity
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