Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 372
Fig. ii. (iii.) Similar effects are produced if we thrust a magnet into B, or with-draw it again. We should expect this, having seen that a coil bearing acurrent acts as a weak magnet … As regards the relation of the direction of the induced cur-rents to the direction of the primary currents, or to the sign of the 34^ ELECTRICITY CH. XXI. magnetic pole which is presented to the coil B, enough will besaid later on. § 2. General Reason for Induced Currents.—The actualreason why such…
Electricity
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