Mixed

Is current really flow of electrons?

Is current really flow of electrons?

No, it’s not the flow; not the motion. (Physics defines “electricity” as the electrons themselves, where electric current is not electricity; instead, electric current is a FLOW OF electricity.)

How do electrons flow current?

The flow of electrons is termed electron current. Electrons flow from the negative terminal to the positive. Conventional current or simply current, behaves as if positive charge carriers cause current flow. Conventional current flows from the positive terminal to the negative.

Is EMF really a force?

The work done on a unit of electric charge, or the energy thereby gained per unit electric charge, is the electromotive force. Electromotive force is the characteristic of any energy source capable of driving electric charge around a circuit. Despite its name, electromotive force is not actually a force.

What happens to the electrons in a current?

Now, when a current starts flowing, these electrons indeed move. When a current flows, energy is transferred. Since the atoms can’t move easily, the electrons have to move. You can see this in the unit Ampere of current as well: 1 ampere equals 1 Coulomb per second.

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What is the flow of electrons in a circuit?

Although the question is not clear, my guess is that you are confused with the flow of current and mean position of electrons. In case of DC, we have a continuous flow of charge from one point to another point in the conductor, any electron completes a cycle of circuit.

Why does current flow in a metal wire?

Similarly, the electrons are moving and passing on energy to their neighbours which causes a current to flow. In a metal wire, the electrons creating the current are not tightly bound to the atom, they’re known as free electrons. Eva – Evan_au and alancalverd described these ‘free’ electrons on our forum, thanks guys!

What happens to energy when a current flows?

When a current flows, energy is transferred. Since the atoms can’t move easily, the electrons have to move. You can see this in the unit Ampere of current as well: 1 ampere equals 1 Coulomb per second. The Coulomb (C) is the unit of charge (Q). 1 Ampere means 1 Coulomb of charge passes a certain point in 1 second.