A measure of electrical energy--the power of one watt for one second, or the work done by forcing one ampere through a resistance of one ohm for one second.
from: Theatre Lighting: An Illustrated Glossary. Albert F.C. Wehlburg. Drama Book Specialists, 1975.
1 joule = 1 watt-second
from: Theatre Lighting: An Illustrated Glossary. Albert F.C. Wehlburg. Drama Book Specialists, 1975.
1 joule = 1 watt-second