# What makes up an electrical circuit?

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### What is a electrical circuit?

An electrical circuit is a path which electrons from a current source flow. Electric current flows in a closed path called an electric circuit. The point where those electrons enter an electrical circuit is called the "source" of electrons. The point where the electrons leave an electrical circuit is called the "return". The exit point is called the "return" because electrons always end up at the source when they complete the path of an electrical…

### What does a completed electrical circuit provide?

A completed electrical circuit provides a current path for electron flow. Circuits that are complete (have completed electrical connections) will "power up" and do what they are supposed to do when energized. An on/off switch completes or breaks an electrical circuit allowing it to be energized or de-energized.

### What are the parts of a simple electric circuit?

An electrical circuit is a path which electrons from a voltage or current source flow. Electric current flows in a closed path called an electric circuit. The point where those electrons enter an electrical circuit is called the "source" of electrons. The point where the electrons leave an electrical circuit is called the "return" or "earth ground". The exit point is called the "return" because electrons always end up at the source when they complete…

### What are electrical circuit breakers used for?

A circuit breaker is a safety device that is put in an electrical circuit. When something fails, or shorts out, the circuit breaker "senses" the excessive current and automatically opens (or breaks) the circuit. They are used in homes, as well as some electrical devices. They are different than a fuse in that a circuit breaker can be reset. A fuse on the other hand, has to be replaced once it opens up. I hope…

### What part of circuit is not necessary for the circuit to be complete?

By definition an electrical circuit is a route or path that starts and finishes at the same place. So there is no part of an electrical circuit that is not necessary, because if there were it would not be an electrical circuit. An electrical circuit needs a power source. Conductors to transmit the voltage from the power source to the load. The final component of the electrical circuit is the load that you want to…

### List 5 components of a circuit and explain their functions?

The 4 main components of a circuit are: (1) Switch - turns electric current on and off, closes and opens a circuit. (2) Load - resists the flow of current and converts electrical energy into another form of energy (ex. light bulb) (3) Wires - thin strips of insulated copper conducts the electric current, allowing it to pass through like a pathway, makes up the circuit. (4) Source - gives the circuit the required electrical…

### What makes a volt a volt?

The Volt, a unit of measuring electrical force, is named after the Italian, 'Volta'. Voltage is the "push" that makes current flow through a closed electrical circuit. A Volt is equal to the potential energy difference between two points in a circuit that is equivalent to one Joule of energy per Coulomb of charge that passes between them.

### Is the key have anything to do with the car starting?

When the key is turned on, it closes an electrical circuit. That closes another electrical circuit which makes and electromagnet work. The electromagnet closes a circuit between the battery and the starter. That starts the car. So the key does not actually do any work to start the car but it tells the various circuits to get busy and start the car.

### How are electrical current and circuits related?

Electrical currents require a circuit to flow. If the circuit is broken, then the electrical current will not flow. A switch is a prime example of this principle. When a switch is off, the circuit is broken. However, when it is turned, the circuit is completed and allows for the electrical current to flow through the appliance.

### Does resistance make voltage or current higher in an electrical circuit?

ohm's law ..... E = I x R but the facts are that most of the time the voltage (E) is fixed so I = E / R so the higher the resistance, the lower the current. http://en.wikipedia.org/wiki/Electrical_resistance A resistance resist the current to flow and makes the current lower in an electrical circuit. The voltage in an electrical circuit is given from the source (battery etc) and will not be higer by adding a…

### What is the Difference between network and circuit?

An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances). An electrical circuit is a network consisting of a closed loop, giving a return path for the current.An electric circuit is a path in which electrons from a voltage or current source flow. Electric current flows in a closed path called…