Chapter 2: Chapter II
Research workbench, not a finished commentary page.
This page is generated from processed source text and candidate catalogs. It exists to help researchers decide what to verify, promote, and deeply decode next.
Source Metadata
Section titled “Source Metadata”| Field | Value |
|---|---|
| Source | Theory and Calculation of Alternating Current Phenomena |
| Year | 1897 |
| Section ID | theory-calculation-alternating-current-phenomena-1897-chapter-02 |
| Location | lines 1728-1972 |
| Status | candidate |
| Word Count | 901 |
| Equation Candidates In Section | 17 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”CHAPTER II INSTAIfTAmiOUB VAI>nES KSD INTSaRAI. VAIiUia. 8. In a periodically varying function, as an alternating current, we have to distinguish between the instantaneous value, which varies constantly as function of the time, and the integral value, which characterizes the wave as a whole. As such integral value, almost exclusively the effective FI9. 4. mwrnaUng ■value is used, that is, the square root of the mean squares ; and wherever the intensity of an electric wave is mentioned without further reference, the effective value is understood. The maximum value of the wave is of practical interest only in few cases, and may, besides, be different for the two half-waves, as in Fig. 3. As arithmetic mean, or average value, of a wave as in Figs. 4 and 5, the arithmetical average of all the instan-Source-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Waves / transmission lines
Section titled “Waves / transmission lines”... PTER II INSTAIfTAmiOUB VAI>nES KSD INTSaRAI. VAIiUia. 8. In a periodically varying function, as an alternating current, we have to distinguish between the instantaneous value, which varies constantly as function of the time, and the integral value, which characterizes the wave as a whole. As such integral value, almost exclusively the effective FI9. 4. mwrnaUng ■value is used, that is, the square root of the mean squares ; and wherever the intensity of an electric wave is mentioned without further reference, the effective value is understood ...Magnetism
Section titled “Magnetism”... nipolar machines (or by the superposi- tion of alternating waves upon continuous currents, etc.). All inductive apparatus without commutation give ex- clusively alternating waves, because, no matter what con- S. PmmUog WwK. ditions may exist in the circuit, any line of magnetic force, which during a complete period is cut by the circuit, and thereby induces an H.M.F., must during the same period be cut again in the opposite direction, and thereby induce the same total amount of E.M.F. (Obviously, this does not apply to cii-cuits consisting of diff ...Alternating current
Section titled “Alternating current”CHAPTER II INSTAIfTAmiOUB VAI>nES KSD INTSaRAI. VAIiUia. 8. In a periodically varying function, as an alternating current, we have to distinguish between the instantaneous value, which varies constantly as function of the time, and the integral value, which characterizes the wave as a whole. As such integral value, almost exclusively the effective FI9. 4. mwrnaUng ■value is used, that is, the square root of the mean squares ; and wherever the intensity of an electric wave is mentioned without further reference, the effective value ...Chapter-Local Concept Hits
Section titled “Chapter-Local Concept Hits”| Concept Candidate | Hits In Section | Status |
|---|---|---|
| No chapter-local term hits yet | - | - |
Chapter-Local Glossary Hits
Section titled “Chapter-Local Glossary Hits”| Term Candidate | Hits In Section | Status |
|---|---|---|
| No chapter-local term hits yet | - | - |
Equation Candidates
Section titled “Equation Candidates”| Candidate ID | OCR / PDF-Text Candidate | Source Location |
|---|---|---|
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0026 | Figs. 4 and 5, the arithmetical average of all the instan- | line 1752 |
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0027 | This arithmetic mean is either = 0, as in Fig. 4, or it | line 1755 |
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0028 | mean value = 0. | line 1798 |
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0029 | 9. In a sine wave, the relation of the mean to the maxi- | line 1817 |
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0030 | B^ the sine varies from to OB = 1. Hence the average | line 1825 |
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0031 | of the arc to that of the sine ; that is, 1 -=- 2 / a-, and since | line 1833 |
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0032 | Mean value of sine wave -5- maximum value = — -j- 1 | line 1837 |
theory-calculation-alternating-current-phenomena-1897-eq-candidate-0033 | = .63663. | line 1841 |
Figure Candidates
Section titled “Figure Candidates”| Candidate ID | OCR / PDF-Text Candidate | Source Location |
|---|---|---|
| No chapter-local candidates yet | - | - |
Hidden-Gem Quote Candidates
Section titled “Hidden-Gem Quote Candidates”| Candidate ID | Candidate Passage | Source Location |
|---|---|---|
| No chapter-local candidates yet | - | - |
Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- Waves / transmission lines: Map Steinmetz’s wave and line language onto modern distributed constants, propagation velocity, standing waves, and reflections.
- Magnetism: Track flux, reluctance, permeability, magnetizing force, and loss language against modern magnetic-circuit terminology.
- Alternating current: Compare Steinmetz’s AC language with modern sinusoidal steady-state analysis, RMS quantities, phase, and phasor notation.
Ether-Field Interpretive Boundary
Section titled “Ether-Field Interpretive Boundary”- Waves / transmission lines: Standing/traveling wave passages may support richer field interpretations; the page keeps those readings separate from verified Steinmetz wording.
- Magnetism: Centrifugal/divergent magnetic-field readings are interpretive overlays, not automatic historical claims.
Promotion Checklist
Section titled “Promotion Checklist”- Open the full source text and the scan or raw PDF.
- Verify the chapter boundary and surrounding context.
- Promote exact quotations only after checking the source image.
- Move mathematical candidates into canonical equation pages only after formula typography is corrected.
- Move diagram candidates into the diagram archive only after image extraction, crop verification, and manifest creation.
- Keep Steinmetz wording, modern translation, and ether-field interpretation in separate labeled layers.