How does electrical current have energy?

In summary, electrical current is the flow of electric charge that can be used to do work. The source of energy in electrical current is the potential energy stored in the electric field, which is released when the circuit is closed. Energy is transferred through electrical current by the movement of electrons colliding with atoms. The amount of energy in an electrical current can be affected by voltage, resistance, and current flow. The energy in electrical current is measured in joules, calculated by multiplying current, voltage, and time.
  • #1
franjo
11
1
How does electrical current have energy? (when electrons move very slowly through circuit)?

(mentor note: removed cross link)
 
Last edited by a moderator:
Physics news on Phys.org
  • #2
Please don't open multiple threads on the same topic -- and read and make an attempt to process what people are telling you in the other thread.

Locked.
 

1. How does electrical current have energy?

Electric current is the flow of electric charge, which can be harnessed to do work. This flow of charge is created by the movement of electrons from one atom to another, generating a flow of energy.

2. What is the source of energy in electrical current?

The source of energy in electrical current is the potential energy stored in the electric field. This energy is created by the separation of positive and negative charges, and when the circuit is closed, the energy is released as the charges move towards each other.

3. How is energy transferred through electrical current?

Energy is transferred through electrical current by the movement of electrons. As the electrons flow through a conductor, they collide with atoms and transfer energy, creating a chain reaction that allows the energy to flow from one point to another.

4. What factors affect the amount of energy in an electrical current?

The amount of energy in an electrical current can be affected by several factors, including the voltage of the source, the resistance of the circuit, and the amount of current flowing through the circuit. These factors can be manipulated to control the amount of energy being transferred.

5. How is the energy in electrical current measured?

The energy in electrical current can be measured using a unit called joules (J). Joules are a measure of work or energy, and are calculated by multiplying the amount of current (in amperes) by the voltage (in volts) and the time (in seconds) the current is flowing.

Similar threads

Replies
14
Views
1K
Replies
5
Views
411
Replies
2
Views
392
Replies
3
Views
834
Replies
18
Views
1K
Replies
5
Views
1K
  • Electromagnetism
Replies
5
Views
308
Replies
1
Views
956
Replies
1
Views
1K
Replies
14
Views
3K
Back
Top