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CONTENTS. | xix |
Chapter XVI.
Electromagnetic Observations.
Art. | Page |
---|---|
730. Observation of vibrations | 335 |
731. Motion in a logarithmic spiral | 336 |
732. Rectilinear oscillations in a resisting medium | 337 |
733. Values of successive elongations | 338 |
734. Data and quæsita | 338 |
735. Position of equilibrium determined from three successive elongations | 338 |
736. Determination of the logarithmic decrement | 339 |
737. When to stop the experiment | 339 |
738. Determination of the time of vibration from three transits | 339 |
739. Two series of observations | 340 |
740. Correction for amplitude and for damping | 341 |
741. Dead beat galvanometer | 341 |
742. To measure a constant current with the galvanometer | 342 |
743. Best angle of deflexion of a tangent galvanometer | 343 |
744. Best method of introducing the current | 343 |
745. Measurement of a current by the first elongation | 344 |
746. To make a series of observations on a constant current | 345 |
747. Method of multiplication for feeble currents | 345 |
748. Measurement of a transient current by first elongation | 346 |
749. Correction for damping | 347 |
750. Series of observations. Zurückwerfungs methode | 348 |
751. Method of multiplication | 350 |
Chapter XVII.
Electrical Measurement of Coefficients of Induction.
752. Electrical measurement sometimes more accurate than direct measurement | 352 |
753. Determination of | 353 |
754. Determination of | 354 |
755. Determination of the mutual induction of two coils | 354 |
756. Determination of the self-induction of a coil | 356 |
757. Comparison of the self-induction of two coils | 357 |
Chapter XVIII.
Determination of Resistance in Electromagnetic Measure.
758. Definition of resistance | 358 |
759. Kirchhoff's method | 358 |