A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 360
erialround it. Whenthe ends of thewire are connect-ed with the polesof a galvanic bat-tery, the currentis thus obliged topass through itswhole length. Fig.321 represents a A HBLi:s helix mounted on a stand. An iron bar extending through the centre is seenprojecting at each end. 911. Magnetizing… … apparatus. 909. What is the effect of a wire over which a current is passing on a harof soft iron placed across it? On a bar of steel so placed? 910. How is the effectgreatly increased ? What is such a coil of wire called ? How may a helix be made ?How is the effect of the helix increased ? With…
Physics
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