RRB Group D 17-Dec-2018 Shift 1 Soled Paper

Joule/coulomb is the same as Volt. Volt is the electrical unit of voltage or potential difference (symbol: V). One Volt is defined as energy consumption of one joule per electric charge of one coulomb.1V = 1J/C. One volt is equal to current of 1amp times resistance of 1 ohm: 1V = 1A. 1.