I have a piece if metal and I have 12v battery. When battery is connected to the metal current flows through the metal.
So, my question is, does electrons from battery move through out the entire circuit? If yes, what is velocity of electrons.
What I imagine when there is a current flowing through a circuit:
I imagine a bunch of electrons leaving negative terminal of battery and these electrons travel through the circuit and reach the positive terminal of the battery and how fast the electrons travel decides the value of current.
Is this correct? I'm confused.