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  2. Sources of electrical energy - Wikipedia

    en.wikipedia.org/wiki/Sources_of_electrical_energy

    Friction is the least-used of the six methods of producing energy. If a cloth rubs against an object, the object will display an effect called friction electricity. The object becomes charged due to the rubbing process, and now possesses an static electrical charge, hence it is also called static electricity. There are two main types of ...

  3. Lemon battery - Wikipedia

    en.wikipedia.org/wiki/Lemon_battery

    [5] [6] Commercial "potato clock" science kits include electrodes and a low-voltage digital clock. After one cell is assembled, a multimeter can be used to measure the voltage or the electric current from the voltaic cell; a typical voltage is 0.9 V with lemons. Currents are more variable, but range up to about 1 mA (the larger the electrode ...

  4. List of countries by electricity production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Electricity generation by source and country in 2023 [1] Annual world electricity net generation [2] This is a list of countries and dependencies by annual electricity production . China is the world's largest electricity producing country, followed by the United States and India.

  5. List of countries by electrification rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    84.5 %: 2021 Nepal: 89.9 % 94.2 % ... Share of population with access to electricity in % (total population) [1] 1990 1995 2000 2005 2010 2015 2020

  6. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_transfer

    A concise explanation of these phenomena would come from the 1860s Maxwell's equations [28] by James Clerk Maxwell, establishing a theory that unified electricity and magnetism to electromagnetism, predicting the existence of electromagnetic waves as the "wireless" carrier of electromagnetic energy.

  7. These hospitals suspended transgender care amid Trump's ... - AOL

    www.aol.com/news/hospitals-suspended-transgender...

    Hospitals across the country are suspending or reevaluating their gender-affirming care programs for patients under 19, creating fear and confusion among transgender youth and their families.