Measurement of Electricity
Released
EN
—
This educational film from the 1940s teaches the fundamental definitions of, and the physical concepts involved in, volt, ampere, ohm and watt.
United States of America
1946
2023
1989
1958
1971
1956
1954
1990
2010
1982
1945
2016
2021
2020
1973
2024
1997
2000
