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HVTC Product Information
HVTC Product Information

... The high voltage test chamber HVTC is designed for PD testing on e. g. transformers, semiconducters, and micro samples. Depending on the built-in HV transformer, testing up to 20 kVrms is possible. The test chamber provides sufficient space to test samples up to a maximum size of 500x500x400 mm³. Th ...
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IBC PolySol 250 ZX, 255 ZX, 260 ZX
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... yields. Continuous quality assurance and process audits during production guarantee a particularly long service life of the modules with a maximum of output, efficiency and reliabillity. Thanks to the anti-reflective coating on the front glass panels, these modules capture even more light to be more ...
HW 4 6340
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... carries a VHF signal at a frequency of 100 [MHz]. Assume that the seawater is nonmagnetic and has a relative permittivity of 81 (r = 81 - j (0)) and a conductivity of 4.0 [S/m]. (Note that the imaginary part of r, due to polarization loss, is being neglected at this low frequency.) a) Determine th ...
SDCC Manual - Kendrick Astro Instruments
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CHAPTER 18 - QUESTIONS 1-3
CHAPTER 18 - QUESTIONS 1-3

... field. Poles like a compass needle, Spinning electrons cause movement ; magnetic field 5. If 2 magnets push each other away, what can you conclude about their poles? They carry the same charge. 6. Why are copper and aluminum not magnetic? Their atomic structure does not allow for it. ...
PERFORMER SERIES P250i FUEL CELL
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... In recognition of his work, the unit of resistance is called Ohm, and denoted by . Many heroes in the study of electricity and magnetism emerged between the late 1700s and the early 1800s, many of whom left their names on various electrical units. Charles Augustin de Coulomb (the unit of charge), A ...
FSP300-60ATV
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... Complies with FCC part 15 subpart J class B VAC operation and CISPR 22 Output over voltage protection Short circuit protection on all outputs MTBF above 100,000 hrs. at 25° C 100% Hi-pot & ATE tested Short circuit protection on all outputs Resettable power shut down 100% burn-in under high ambient t ...
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electricity and electronics

... There are two ways of producing light using electricity: 1) Light bulbs: Based on the phenomenon of INCANDESCENCE: inside light bulbs there is a filament that produces light when heated by an electric current. 2) Fluorescent tubes: Inside the tube there is a metallic filament, an inert gas, a small ...
AE 3TL 600 Series
AE 3TL 600 Series

... it is a well established product with a great reliability track record. The AE 3TL also is lightweight and easy to install. With a peak efficiency over 98% and versatile monitoring options, this is the field-proven string inverter of choice for project developers, site designers, and installers. The ...
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Chapter 1.2 - Electronic Signal & Switches
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... ballast, which uses a power line communications system to send and receive status and commands from another ballasts plugged in the same mains subcircuit. These ballasts are connected in the topology of a logic network, one of them being defined as the master of the subcircuit, and the others as sla ...
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... variety of applications including microwave power amplifiers, flat panel displays, electron microscopy, electron beam lithography, and space propulsion systems. Use of an FEA as a cold cathode source for a microwave power amplifier such as the traveling wave tube (TWT), presents significant technica ...
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Electric Current and Circuits Powerpoint

... different branches because all branches connect the same two points of the circuit – the voltage difference is the same in each branch more current flows through the branches that have the lower resistance ...
< 1 ... 1917 1918 1919 1920 1921 1922 1923 1924 1925 ... 2014 >

Alternating current



Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.AC is the form in which electric power is delivered to businesses and residences. The usual waveform of alternating current in most electric power circuits is a sine wave. In certain applications, different waveforms are used, such as triangular or square waves. Audio and radio signals carried on electrical wires are also examples of alternating current. These types of alternating current carry information encoded (or modulated) onto the AC signal, such as sound (audio) or images (video).
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