Question

define 1volt , ampere

Answer 1

1 volt :- when one joule of work is done to move a charge of 1 coulomb from one point to other.

ampere :- one ampere is constituted by the flow of one coulomb of charge per second.

hope it helps you..

Answer 2

1Vol:-1 Joule of work done in moving 1 Coulomb charge is 1 volt.
volt=Joule/Coulomb

1ampere:-1 Coulomb of charge flow in 1 second is defined as 1 ampere.