PARALLEL RCL CIRCUITS
1972 · Department of Defense, Defense Imagery (via FedFlix)
Finding US Government work
The record names a federal body as the creating agency: Department of Defense. A work prepared by an officer or employee of the United States Government as part of that person's official duties has no US copyright (17 U.S.C. 105; before 1978, section 8 of the 1909 Act).
The record names a federal body as the creating agency. A work prepared by an officer or employee of the United States Government as part of that person's official duties has no US copyright (17 U.S.C. 105; before 1978, section 8 of the 1909 Act). This says nothing about copyright outside the United States, or about music, stock footage or other material the film may incorporate.
- Creating body, as recorded
- Department of Defense
- DoD production number
- PIN 11352
- Internet Archive item
- gov.dod.dimoc.11352 (uploader's licence mark: http://creativecommons.org/publicdomain/zero/1.0/)
The record
The Internet Archive item's description, as transcribed by the uploader from the source archive's record. Check it against the National Archives catalog entry linked above.
Department of Defense - Description: BEGINS BY CONSTRUCTING A PARALLEL RCL CIRCUIT AND POINTING OUT THAT EACH INDIVIDUAL BRANCH CURRENT IS INDEPENDENT OF OTHER BRANCH CURRENTS. COMPARES THE TIME-PHASE RELATIONSHIP OF BRANCH CURRENTS THROUGH REACTIVE COMPONENTS. A PROBLEM IS GRAPHICALLY SOLVED FOR TOTAL CURRENT USING VECTOR ANALYSIS AND THEN IS SOLVED BY THE SAME CURRENT USING PYTHAGOREAN THEOREM. DETERMINES PHASE ANGLE BY A PROTRACTOR AND BY A TRIGONOMETRIC FUNCTION. REVIEWS REACTIVE, TRUE, AND POWER FACTOR FORMULAS. CONCLUDES BY SHOWING A CURRENT VECTOR FIRST WITH A LEADING PHASE ANGLE AND THEN WITH A LAGGING PHASE ANGLE. - PIN 11352