Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 479
res. Find the amount of heat (incalories) developed in this filament per minute. 5. A 25-candle power tungsten lamp, when used in a 25-volfc circuittakes one ampere of current. Find its etticiency. 6. The potential difference between the wires entering a house is 104volts, and an average current of… … 468 ELECTRICAL MEASUREMENTS 554. Resistance Boxes. The standard resistance was definedin § 547. It is obvious that for the purpose of comparingresistances it would be inconvenient to use mercury columnsin ordinary experiments. In practical work resistance coilsare used for this purpose. Lengths of…
Physics
Internet Archive · Western University Libraries · Public Domain Mark 1.0. Free to use for anything.
