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  2. Alternating current - Wikipedia

    en.wikipedia.org/wiki/Alternating_current

    A schematic representation of long distance electric power transmission. From left to right: G=generator, U=step-up transformer, V=voltage at beginning of transmission line, Pt=power entering transmission line, I=current in wires, R=total resistance in wires, Pw=power lost in transmission line, Pe=power reaching the end of the transmission line, D=step-down transformer, C=consumers.

  3. Folsom Powerhouse State Historic Park - Wikipedia

    en.wikipedia.org/wiki/Folsom_Powerhouse_State...

    The AC power generated (about 4,020 horse power or 3 MW) at the Folsom hydroelectric facility was converted to 11,000 volts at the power plant by twelve new (in 1895) air cooled transformers invented by William Stanley, Jr. and transmitted to Sacramento on twelve bare #1 AVG copper wires held by ceramic insulators that were attached to the ...

  4. AC power - Wikipedia

    en.wikipedia.org/wiki/AC_power

    The portion of instantaneous power that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is known as instantaneous active power, and its time average is known as active power or real power.

  5. Mains electricity - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity

    Mains electricity or utility power, grid power, domestic power, and wall power, or, in some parts of Canada, hydro, is a general-purpose alternating-current (AC) electric power supply. It is the form of electrical power that is delivered to homes and businesses through the electrical grid in many parts of the world.

  6. Ground (electricity) - Wikipedia

    en.wikipedia.org/wiki/Ground_(electricity)

    The transmitter power lost in the ground resistance, and so the efficiency of the antenna, depends on the soil conductivity. This varies widely; marshy ground or ponds, particularly salt water, provide the lowest resistance ground, while dry rocky or sandy soil are the highest.

  7. AOL Mail

    mail.aol.com/?icid=aol.com-nav

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. NJ pilot’s drone lost power in restricted flight space ...

    www.aol.com/jersey-drone-pilot-lost-power...

    A New Jersey drone pilot claims his drone “spun out, lost power and the battery died” as he directed the craft toward one of the unnerving drones flying over the Garden State. Michael B, the ...

  9. Exclusive-Power failed at SpaceX mission control before ...

    www.aol.com/news/exclusive-power-failed-spacex...

    WASHINGTON (Reuters) -A September power outage at a California facility of SpaceX, the space venture of billionaire entrepreneur Elon Musk, caused a loss of ground control for at least an hour ...