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Education / Other Education / Electric Power and Energy 1.0
Electric Power and Energy 1.0
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Electric Power and Energy 1.0 Description
The electric power P "consumed" by an electrical device is the product between the voltage V at the terminals (in Volts) and current I passing through it (in amps):
P = V x I
The unite of power is the Watt (W).
The electric power P "consumed" by an electrical device is the product between the voltage V at the terminals (in Volts) and current I passing through it (in amps):
P = V x I
The unite of power is the Watt (W).
For direct current, P = V x I
For alternating current used with resistance type components (lamps, heaters), P = VRMSx IRMS where VRMS and IRMS are the RMS values of voltage and current.
The electrical energie consummed by an electrical appliance is the product of electrical power (P) and the duration of time used (t)
E = P x t
The unit of energy is the Joule (J). Another frequently used unit is the Watt-hour (Wh). Look at your home electricity bill.
1 WH = 3600 J
In the power animation, click and slide the voltage icon to adjust the voltage supplied to the circuit.
In the DC and AC Energy animations, click and slide the meter(s) to see changes in energy consumption.
OS: Android, Mobile
User Reviews of Electric Power and Energy
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Wegener 1.0 Dès le XVIe siècle, les cartes géographiques sont suffisamment précises pour révéler un parallélisme dans les tracés des côtes littorales de part et d'autre de l'océan Atlantique... Download
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Galvanic cell 1.0 Man has known, for a very long time that matter can be electrified. However, it is very complex to maintain a separation of charges for the circulation of electric current... Download
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Pile Daniell 1.0 Depuis très longtemps, l’homme sait que la matière peut s’électriser. Cependant, il est très complexe d'entretenir une séparation de charges permettant la circulation d'un courant... Download
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Air Pump 1.0 Air is composed of freely moving molecules. Air molecules trapped in a volume occupy all of the available space and rebound against the walls. The number of rebounds on the walls is directly related to the notion of pressure... Download
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Puissance, énergie électrique 1.0 La puissance électrique P "consommée" par un appareil électrique est le produit entre la tension U à ses bornes (exprimée en Volts) et le courant I qui le traverse (exprimé en Ampères): P = U x I L'unité de la puissance est le Watt (W)... Download
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Kirchhoff's Laws 1.0 Electrical quantities like voltage and current are measured for three simple circuits to demonstrate the fundamental laws governing electrical circuits: - Ohm’s law - node laws - circuit laws For each circuit, a graph allows us to follow the de.. Download
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Lois de Kirchhoff 1.0 Les grandeurs électriques de type tension et courant sont mesurées pour trois circuits simples, afin de mettre en évidence les lois fondamentales qui régissent les circuits électriques: - loi d'Ohm - lois des nœuds - lois des mailles Pour c.. Download
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Power dissipated by a resistor 1.0 The circuit is made up of a variable power supply, a variable resistor R and, a light bulb all connected in series. An ammeter, placed in series, allows the current, I, to be measured... Download
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Puissance dans une résistance 1.0 Un circuit est constitué d'un générateur de tension variable, d'une résistance R de valeur réglable et d'une ampoule en série... Download