Which line about electrical conduction in metals is right?
- Astatement 1: It is the movement of free electrons. statement 2: Electric charge is a flow of current.
- Bstatement 1: It is the movement of positive ions. statement 2: Electric charge is a flow of current.
- Cstatement 1: It is the movement of free electrons. statement 2: Electric current is a flow of charge.
- Dstatement 1: It is the movement of positive ions. statement 2: Electric current is a flow of charge.