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Principles of Conversion - Operating Tech Electronics, Inc.
Principles of Conversion - Operating Tech Electronics, Inc.

... transformer can be greatly increased by using a secondary switching regulator. This is a more complex circuit than the linear regulator because it switches the series transistor off and on very fast (typically at 50 kHz - 50,000 times per second) such that the average voltage equals the required out ...
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1 A circuit consists of three identical lamps connected to a battery
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... The graph (below) represents a plot of potential difference (V) as a function of position (clockwise from X) around the electronic circuit (below). Assume all wires and the switch have zero resistance. ...
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< 1 ... 1837 1838 1839 1840 1841 1842 1843 1844 1845 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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