One Volt is defined as energy consumption of one joule per electric charge of one coulomb. 1V = 1J/C. One volt is equal to the current of 1 amp times the resistance of 1 ohm.
Define:
(1) 1 volt PD
(2) 1 ampere
(3) 1 ohm
(4) Potential
(5) Resistivity
(6) Electric power