The TransformerA transformer is a device that transfers electrical energy from one circuit to another through inductively coupled conductors — the transformer's coils or "windings". Except for air-core transformers, the conductors are commonly wound around a single iron-rich core, or around separate but magnetically-coupled cores. A varying current in the first or "primary" winding creates a varying magnetic field in the core (or cores) of the transformer. This varying magnetic field induces a varying electromotive force or "voltage" in the "secondary" winding. This effect is called mutual induction.
If a load is connected to the secondary, an electric current will flow in the secondary winding and electrical energy will flow from the primary circuit through the transformer to the load. In an ideal transformer, the induced voltage in the secondary winding is in proportion to the primary voltage (VP), and is given by the ratio of the number of turns in the secondary to the number of turns in the primary as follows:
By appropriate selection of the ratio of turns, a transformer thus allows an alternating current voltage to be "stepped up" by making NS greater than NP, or "stepped down" by making NS less than NP. Transformers come in a range of sizes from a thumbnail-sized coupling transformer hidden inside a stage microphone to huge units weighing hundreds of tons used to interconnect portions of national power grids. All operate with the same basic principles, although the range of designs is wide. While new technologies have eliminated the need for transformers in some electronic circuits, transformers are still found in nearly all electronic devices designed for household ("mains") voltage. Transformers are essential for high voltage power transmission, which makes long distance transmission economically practical.
Activision has finally released some information regarding the Transformer game based on the upcoming movie by Michael Bay. The game will be called Transformers: The Game and will be available for Xbox 360, PS3, DS, Wii, and PC. Players will be able to control both the Autobots and Decepticons. The playable characters include Optimus Prime, Megatron, Starscream, Bumblebee, and Inronhide along with many more characters to be named at later date. You will be able to fully transform between robot form and vehicle form. The environment will come into play as it will be affected by player?s actions. Other than that, little is known about the exact play style and game play mechanics.
If a load is connected to the secondary, an electric current will flow in the secondary winding and electrical energy will flow from the primary circuit through the transformer to the load. In an ideal transformer, the induced voltage in the secondary winding is in proportion to the primary voltage (VP), and is given by the ratio of the number of turns in the secondary to the number of turns in the primary as follows:
By appropriate selection of the ratio of turns, a transformer thus allows an alternating current voltage to be "stepped up" by making NS greater than NP, or "stepped down" by making NS less than NP. Transformers come in a range of sizes from a thumbnail-sized coupling transformer hidden inside a stage microphone to huge units weighing hundreds of tons used to interconnect portions of national power grids. All operate with the same basic principles, although the range of designs is wide. While new technologies have eliminated the need for transformers in some electronic circuits, transformers are still found in nearly all electronic devices designed for household ("mains") voltage. Transformers are essential for high voltage power transmission, which makes long distance transmission economically practical.
Activision has finally released some information regarding the Transformer game based on the upcoming movie by Michael Bay. The game will be called Transformers: The Game and will be available for Xbox 360, PS3, DS, Wii, and PC. Players will be able to control both the Autobots and Decepticons. The playable characters include Optimus Prime, Megatron, Starscream, Bumblebee, and Inronhide along with many more characters to be named at later date. You will be able to fully transform between robot form and vehicle form. The environment will come into play as it will be affected by player?s actions. Other than that, little is known about the exact play style and game play mechanics.
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