enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Samsung Galaxy A21s - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy_A21s

    The Samsung Galaxy A21s has a four camera setup arranged in an "L" shape located in the corner with a rectangular protrusion similar to that of the iPhone 11 and the Pixel 4. The array consists of a 48 MP wide angle camera, an 8 MP ultrawide camera, a 2 MP macro camera , and a 2 MP depth sensor. [ 3 ]

  3. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

  4. Rechargeable battery - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_battery

    A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.

  5. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    Switched-mode power supply units (PSUs) in domestic products such as personal computers often have universal inputs, meaning that they can accept power from mains supplies throughout the world, although a manual voltage range switch may be required. Switch-mode power supplies can tolerate a wide range of power frequencies and voltages.

  6. Reverse charge - Wikipedia

    en.wikipedia.org/wiki/Reverse_charge

    Reverse charging, resulting from a mistake in use or charging of rechargeable batteries The accrual of VAT by the buyer of goods or services A trick in pen spinning , in which the pen spins counter-clockwise between two fingers, as opposed to charge, in which pen spins clockwise

  7. Beretta 21A Bobcat - Wikipedia

    en.wikipedia.org/wiki/Beretta_21A_Bobcat

    The Beretta 21A Bobcat is available chambered for either .22 LR or .25 ACP (6.35 mm) ammunition. It has a simple blowback operation, with a single- and double-action trigger mechanism, and exposed hammer.

  8. Selenium rectifier - Wikipedia

    en.wikipedia.org/wiki/Selenium_rectifier

    An 8-plate 160 V 450 mA Federal brand selenium rectifier. A selenium rectifier is a type of metal rectifier, invented in 1933. [1] They were used in power supplies for electronic equipment and in high-current battery-charger applications until they were superseded by silicon diode rectifiers in the late 1960s.