answersLogoWhite

0

Closing a switch in an electrical circuit will complete the circuit. The supply voltage will then be applied to that circuit, and current will flow through that circuit.

User Avatar

Wiki User

14y ago

What else can I help you with?

Continue Learning about Earth Science

Is wiring in your house a parallel or series circuit?

Houshold circuits, like all non-trivial circuits, are wired in series-parallel. Switches are in series with loads. Loads, and switches with loads as combined units, are in parallel with each other.


Why is it dangerous to use an electrical appliance when you are in the bathtub?

Electrocution (death). If the hair dryer falls into a sink of water and any part of your body is touching either the dryer or the basin of water you will not know what hit you. If your feet are wet from getting out of the tub or shower, and you dry your hair, you are in grave danger of electrocution should the hair dryer short out, which could happen at any time without any warning. Electricity and water do not mix. Water is a conductor of electricity.


When a lamp is turned on electrical energy changes into what form of energy?

The older generation of bulb(one in witch heating metal coil was used) convert electrical energy into both heat and light energy and consume more energy as some energy is lost as a heat energy. The newer generation of electrical bulb (C.F.L.) convert almost all electrical energy into light energy and consume much less electrical energy.


What electrical devices waste electrical energy?

When you waste electrical energy you are running up your costs while getting no benefit. Also the local power plant has to work harder so it uses more fuel and produces more CO2 than necessary. Not many people realise that the fuel used and CO2 created in a power plant each hour is closely linked to the amount of energy consumers take. When you switch something off, the power plant can relax a little and it then uses a slightly lower fuel flow.


Which is the best describes a parallel circuit?

A parallel circuit has more than one resistor (anything that uses electricity to do work) and gets its name from having multiple (parallel) paths to move along . Charges can move through any of several paths. If one of the items in the circuit is broken then no charge will move through that path, but other paths will continue to have charges flow through them. Parallel circuits are found in most household electrical wiring. This is done so that lights don't stop working just because you turned your TV off.Below is an animation of a parallel circuit where electrical energy is shown as gravitational potential energy (GPE). The greater the change in height, the more energy is used or the more work is done.The following rules apply to a parallel circuit:The potential drops of each branch equals the potential rise of the source.The total current is equal to the sum of the currents in the branches.The inverse of the total resistance of the circuit (also called effective resistance) is equal to the sum of the inverses of the individual resistances. One important thing to notice from this last equation is that the more branches you add to a parallel circuit (the more things you plug in) the lower the total resistance becomes. Remember that as the total resistance decreases, the total current increases. So, the more things you plug in, the more current has to flow through the wiring in the wall. That's why plugging too many things in to one electrical outlet can create a real fire hazard.

Related Questions

What happened when you turned on the switch of the light?

A switch is placed in an electrical circuit in order to place a gap when the switch is off, so the circuit is broken. When the switch is on, the circuit is complete and the electricity can flow round the circuit.


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.


Can a switch in the off position cause electrical short circuit?

No, once the switch is turned off the circuit is de energized. A de energized circuit can not be shorted out to create a fault.


Why does the breaker trip when the switch is turned off?

When the switch is turned off, the breaker trips to protect the electrical circuit from overload or short circuit. This happens because the sudden interruption of the electrical flow can cause a surge of electricity, triggering the breaker to trip and cut off the power to prevent damage to the circuit.


How does an electrical light switch work to control the flow of electricity to a light fixture?

An electrical light switch works by interrupting or completing the circuit that allows electricity to flow to a light fixture. When the switch is turned on, it closes the circuit, allowing electricity to flow and the light to turn on. When the switch is turned off, it opens the circuit, cutting off the flow of electricity and turning off the light.


When the switch is closed it means that?

There is a complete path for the electricity to flow. The opposite of an open circuit. If a light switch is on and the light comes on, the circuit is closed. If the switch is turned off, the light goes off because the circuit is open.


How does the power to light then switch work in electrical circuits?

The power to light switch in electrical circuits works by allowing or interrupting the flow of electricity to the light bulb. When the switch is turned on, it completes the circuit, allowing electricity to flow and light up the bulb. When the switch is turned off, it breaks the circuit, stopping the flow of electricity and turning off the light.


If an insulator with a lamp is connected in a electrical circuit The switch is turned-on What happens?

If an insulator with a lamp is connected in an electrical circuit and the switch is turned on, the lamp will not light up. Insulators do not allow the flow of electric current, so the circuit will not be completed, and no electricity will reach the lamp to cause it to light up.


What is a three-way switch and how does it function in a typical electrical circuit?

A three-way switch is a type of electrical switch that is used to control a light or other electrical device from two different locations. It has three terminals and allows the circuit to be turned on or off from either switch. In a typical electrical circuit, the three-way switch works by allowing the flow of electricity to be redirected between the two switches, depending on their positions, to control the connected device.


What does the on and off switch do on an electrical circuit?

The on and off switch controls the flow of electricity in the circuit. When the switch is on, it completes the circuit and allows electricity to flow through. When the switch is off, it breaks the circuit and stops the flow of electricity.


How does a torch work-circuit?

A torch is simply a circuit containing a battery, a bulb and a switch. The three components are connected in series (one after the other) to form a loop. The switch simply completes the circuit so that power flows from the battery to the bulb.


Is a switch needed to make a circuit work?

Yes, a switch is needed to control the flow of electricity in a circuit. It allows you to open or close the circuit, which determines whether the electrical current can flow through it or not. Without a switch, the circuit would be always on and the device connected to it would not be able to be turned off.