Electric Spiel Artikelbeschreibung
Kinder Electric von Noris Spiele. Das Kind sucht sich eine der zwölf Aufgaben-Tafeln aus und legt sie auf das Spielbrett-Modul. Die gestanzten Löcher haben. Noris Kinder Electric Der Lernspiel-Klassiker, was passt Spiele Klassiker - In dem Spiel geht es darum, zu einem Bild der rechten Hälfte ein. Noris Lern Electric Der Lernspiel-Klassiker Was passt zusammen, Es Spiele Klassiker - In dem Spiel geht es darum, zu einem Bild der rechten. 2 x 1,5 V R6 AA Batterien benötigt. Sie sind nicht im Spiel enthalten. Kinder Electric. Artikelnummer: ; Altersempfehlung: ab 4 Jahre, Spieler: 1 - 4. Noris Spiele - Kinder Electric bei MÜLLER ➔ Versandkostenfrei in die Filiale › Jetzt bestellen!
Noris Spiele - Kinder Electric bei MÜLLER ➔ Versandkostenfrei in die Filiale › Jetzt bestellen! eBay Kleinanzeigen: Electric Spiel, Kleinanzeigen - Jetzt finden oder inserieren! eBay Kleinanzeigen - Kostenlos. Einfach. Lokal. 2 x 1,5 V R6 AA Batterien benötigt. Sie sind nicht im Spiel enthalten. Kinder Electric. Artikelnummer: ; Altersempfehlung: ab 4 Jahre, Spieler: 1 - 4.
Electric Box is a highly imaginative and unique educational game that will get kids, teens and Big Kids thinking logically and creatively. Your goal is to connect an electric power supply to a set target in each level by using a vast array of instruments such as light bulbs, solar power panels, steam generators, fans, and more.
You have to carefully and strategically combine these appliances in a creative way in order to make the electrical current flow from the original source to the intended target.
Older teens and grownup gamers can also enjoy this very technical problem solving activity This is definitely not a simple challenge. Trial and error is the order of the day as you carefully and methodically test out different combinations of instruments, techniques and strategies for getting the current flowing from point A to point B.
Happy problem solving, and good luck in your new career as a conductor! These two are always on separate red Conductor Wires, and you have to transport the current from one wire to the next using a variety of different instruments called components here.
Click and drag these components from the Inventory panel on the right hand side of the game screen, and place them on the Conductor Wires in advantageous positions.
Then, switch the power on by clicking on the Power Supply button. Follow the detailed tutorial in the first few levels, as these messages give you a good idea of the basic premise and controls.
For example, if you place a light bulb on the Wire with the Power Supply, and switch the power on — the bulb lights up and emits electrical energy.
If you place a solar panel on the opposite Conductor Wire, this collects the energy from the light bulb, and subsequently delivers the current to the Target!
As you progress through the game, more complicated Wire formations and extra instruments are added such as kettles steam generators , extractor fans, and water generators.
You should keep moving around the instruments in order to figure out the correct formation that transports the current from point A Supply to point B Target.
Once you think everything is perfectly in place in your unique design for success, click on the Power Supply, and hope for the best!
Tips: Simply hover your mouse over any particular instrument to read a detailed description of it on the right hand side of the game zone.
You can also change the direction of certain instruments by clicking on them. Hide the progress bar forever? Yes No. Your game will start after this message close.
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Color Switch. These essential cookies may also be used for improvements, site monitoring and security. This principle is exploited in the lightning conductor , the sharp spike of which acts to encourage the lightning stroke to develop there, rather than to the building it serves to protect  : The concept of electric potential is closely linked to that of the electric field.
A small charge placed within an electric field experiences a force, and to have brought that charge to that point against the force requires work.
The electric potential at any point is defined as the energy required to bring a unit test charge from an infinite distance slowly to that point.
It is usually measured in volts , and one volt is the potential for which one joule of work must be expended to bring a charge of one coulomb from infinity.
An electric field has the special property that it is conservative , which means that the path taken by the test charge is irrelevant: all paths between two specified points expend the same energy, and thus a unique value for potential difference may be stated.
For practical purposes, it is useful to define a common reference point to which potentials may be expressed and compared.
While this could be at infinity, a much more useful reference is the Earth itself, which is assumed to be at the same potential everywhere.
This reference point naturally takes the name earth or ground. Earth is assumed to be an infinite source of equal amounts of positive and negative charge, and is therefore electrically uncharged—and unchargeable.
Electric potential is a scalar quantity , that is, it has only magnitude and not direction. It may be viewed as analogous to height : just as a released object will fall through a difference in heights caused by a gravitational field, so a charge will 'fall' across the voltage caused by an electric field.
The equipotentials cross all lines of force at right angles. They must also lie parallel to a conductor 's surface, otherwise this would produce a force that will move the charge carriers to even the potential of the surface.
The electric field was formally defined as the force exerted per unit charge, but the concept of potential allows for a more useful and equivalent definition: the electric field is the local gradient of the electric potential.
Moreover, the interaction seemed different from gravitational and electrostatic forces, the two forces of nature then known.
The force on the compass needle did not direct it to or away from the current-carrying wire, but acted at right angles to it. This relationship between magnetic fields and currents is extremely important, for it led to Michael Faraday's invention of the electric motor in Faraday's homopolar motor consisted of a permanent magnet sitting in a pool of mercury.
A current was allowed through a wire suspended from a pivot above the magnet and dipped into the mercury. The magnet exerted a tangential force on the wire, making it circle around the magnet for as long as the current was maintained.
Experimentation by Faraday in revealed that a wire moving perpendicular to a magnetic field developed a potential difference between its ends.
Further analysis of this process, known as electromagnetic induction , enabled him to state the principle, now known as Faraday's law of induction , that the potential difference induced in a closed circuit is proportional to the rate of change of magnetic flux through the loop.
Exploitation of this discovery enabled him to invent the first electrical generator in , in which he converted the mechanical energy of a rotating copper disc to electrical energy.
The ability of chemical reactions to produce electricity, and conversely the ability of electricity to drive chemical reactions has a wide array of uses.
Electrochemistry has always been an important part of electricity. From the initial invention of the Voltaic pile, electrochemical cells have evolved into the many different types of batteries, electroplating and electrolysis cells.
Aluminium is produced in vast quantities this way, and many portable devices are electrically powered using rechargeable cells. An electric circuit is an interconnection of electric components such that electric charge is made to flow along a closed path a circuit , usually to perform some useful task.
The components in an electric circuit can take many forms, which can include elements such as resistors , capacitors , switches , transformers and electronics.
Electronic circuits contain active components , usually semiconductors , and typically exhibit non-linear behaviour, requiring complex analysis.
The simplest electric components are those that are termed passive and linear : while they may temporarily store energy, they contain no sources of it, and exhibit linear responses to stimuli.
The resistor is perhaps the simplest of passive circuit elements: as its name suggests, it resists the current through it, dissipating its energy as heat.
The resistance is a consequence of the motion of charge through a conductor: in metals, for example, resistance is primarily due to collisions between electrons and ions.
Ohm's law is a basic law of circuit theory , stating that the current passing through a resistance is directly proportional to the potential difference across it.
The resistance of most materials is relatively constant over a range of temperatures and currents; materials under these conditions are known as 'ohmic'.
The capacitor is a development of the Leyden jar and is a device that can store charge, and thereby storing electrical energy in the resulting field.
It consists of two conducting plates separated by a thin insulating dielectric layer; in practice, thin metal foils are coiled together, increasing the surface area per unit volume and therefore the capacitance.
The unit of capacitance is the farad , named after Michael Faraday , and given the symbol F : one farad is the capacitance that develops a potential difference of one volt when it stores a charge of one coulomb.
A capacitor connected to a voltage supply initially causes a current as it accumulates charge; this current will however decay in time as the capacitor fills, eventually falling to zero.
A capacitor will therefore not permit a steady state current, but instead blocks it. The inductor is a conductor, usually a coil of wire, that stores energy in a magnetic field in response to the current through it.
When the current changes, the magnetic field does too, inducing a voltage between the ends of the conductor.
The induced voltage is proportional to the time rate of change of the current. The constant of proportionality is termed the inductance. The unit of inductance is the henry , named after Joseph Henry , a contemporary of Faraday.
One henry is the inductance that will induce a potential difference of one volt if the current through it changes at a rate of one ampere per second.
The inductor's behaviour is in some regards converse to that of the capacitor: it will freely allow an unchanging current, but opposes a rapidly changing one.
Electric power is the rate at which electric energy is transferred by an electric circuit. The SI unit of power is the watt , one joule per second.
Electric power, like mechanical power , is the rate of doing work , measured in watts , and represented by the letter P. The term wattage is used colloquially to mean "electric power in watts.
Electricity generation is often done with electric generators , but can also be supplied by chemical sources such as electric batteries or by other means from a wide variety of sources of energy.
Electric power is generally supplied to businesses and homes by the electric power industry. Electricity is usually sold by the kilowatt hour 3.
Electric utilities measure power using electricity meters , which keep a running total of the electric energy delivered to a customer.
Unlike fossil fuels, electricity is a low entropy form of energy and can be converted into motion or many other forms of energy with high efficiency.
Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes , transistors , diodes , optoelectronics , sensors and integrated circuits , and associated passive interconnection technologies.
The nonlinear behaviour of active components and their ability to control electron flows makes amplification of weak signals possible and electronics is widely used in information processing , telecommunications , and signal processing.
The ability of electronic devices to act as switches makes digital information processing possible. Interconnection technologies such as circuit boards , electronics packaging technology, and other varied forms of communication infrastructure complete circuit functionality and transform the mixed components into a regular working system.
Today, most electronic devices use semiconductor components to perform electron control. The study of semiconductor devices and related technology is considered a branch of solid state physics , whereas the design and construction of electronic circuits to solve practical problems come under electronics engineering.
Thus, when either field is changing in time, then a field of the other is necessarily induced. Electromagnetic waves were analysed theoretically by James Clerk Maxwell in Maxwell developed a set of equations that could unambiguously describe the interrelationship between electric field, magnetic field, electric charge, and electric current.
He could moreover prove that such a wave would necessarily travel at the speed of light , and thus light itself was a form of electromagnetic radiation.
Maxwell's Laws , which unify light, fields, and charge are one of the great milestones of theoretical physics. Thus, the work of many researchers enabled the use of electronics to convert signals into high frequency oscillating currents, and via suitably shaped conductors, electricity permits the transmission and reception of these signals via radio waves over very long distances.
In the 6th century BC, the Greek philosopher Thales of Miletus experimented with amber rods and these experiments were the first studies into the production of electrical energy.
While this method, now known as the triboelectric effect , can lift light objects and generate sparks, it is extremely inefficient.
The voltaic pile, and its modern descendant, the electrical battery , store energy chemically and make it available on demand in the form of electrical energy.
For large electrical demands electrical energy must be generated and transmitted continuously over conductive transmission lines.
Electrical power is usually generated by electro-mechanical generators driven by steam produced from fossil fuel combustion, or the heat released from nuclear reactions; or from other sources such as kinetic energy extracted from wind or flowing water.
The modern steam turbine invented by Sir Charles Parsons in today generates about 80 percent of the electric power in the world using a variety of heat sources.
Such generators bear no resemblance to Faraday's homopolar disc generator of , but they still rely on his electromagnetic principle that a conductor linking a changing magnetic field induces a potential difference across its ends.
Efficient electrical transmission meant in turn that electricity could be generated at centralised power stations , where it benefited from economies of scale , and then be despatched relatively long distances to where it was needed.
Since electrical energy cannot easily be stored in quantities large enough to meet demands on a national scale, at all times exactly as much must be produced as is required.
A certain amount of generation must always be held in reserve to cushion an electrical grid against inevitable disturbances and losses.
Demand for electricity grows with great rapidity as a nation modernises and its economy develops. Environmental concerns with electricity generation have led to an increased focus on generation from renewable sources , in particular from wind and solar.
While debate can be expected to continue over the environmental impact of different means of electricity production, its final form is relatively clean.
Electricity is a very convenient way to transfer energy, and it has been adapted to a huge, and growing, number of uses. Although electrification brought with it its own dangers, replacing the naked flames of gas lighting greatly reduced fire hazards within homes and factories.
In the late 20th century and in modern times, the trend has started to flow in the direction of deregulation in the electrical power sector.
The resistive Joule heating effect employed in filament light bulbs also sees more direct use in electric heating. While this is versatile and controllable, it can be seen as wasteful, since most electrical generation has already required the production of heat at a power station.
Electricity is used within telecommunications , and indeed the electrical telegraph , demonstrated commercially in by Cooke and Wheatstone , was one of its earliest applications.
With the construction of first transcontinental , and then transatlantic , telegraph systems in the s, electricity had enabled communications in minutes across the globe.
Optical fibre and satellite communication have taken a share of the market for communications systems, but electricity can be expected to remain an essential part of the process.
The effects of electromagnetism are most visibly employed in the electric motor , which provides a clean and efficient means of motive power.
A stationary motor such as a winch is easily provided with a supply of power, but a motor that moves with its application, such as an electric vehicle , is obliged to either carry along a power source such as a battery, or to collect current from a sliding contact such as a pantograph.
Electrically powered vehicles are used in public transportation, such as electric buses and trains,  and an increasing number of battery-powered electric cars in private ownership.
Electronic devices make use of the transistor , perhaps one of the most important inventions of the twentieth century,  and a fundamental building block of all modern circuitry.
A modern integrated circuit may contain several billion miniaturised transistors in a region only a few centimetres square.
A voltage applied to a human body causes an electric current through the tissues, and although the relationship is non-linear, the greater the voltage, the greater the current.