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2. Capacitive power supply - Wikipedia

   en.wikipedia.org/wiki/Capacitive_power_supply

   Analyzing the circuit of the lamp shown in the image, at 50 Hz, the 1.2 μF capacitor has a reactance of 2.653 kΩ. By Ohm's law, the current is limited to 240 V/2653 Ω ≈ 90 mA, assuming that voltage and frequency remain constant. The LEDs are connected in parallel with the 10 μF electrolytic filter capacitor.

3. Capacitor types - Wikipedia

   en.wikipedia.org/wiki/Capacitor_types

   100/120 Hz for electrolytic capacitors; 50/60 Hz or 100/120 Hz for non-electrolytic capacitors with C R > 10 μF; For supercapacitors a voltage drop method is applied for measuring the capacitance value. . Capacitors are available in geometrically increasing preferred values (E series standards) specified in IEC/EN 60063.

4. Electronic component - Wikipedia

   en.wikipedia.org/wiki/Electronic_component

   Some different capacitors for electronic equipment. Capacitors store and release electrical charge. They are used for filtering power supply lines, tuning resonant circuits, and for blocking DC voltages while passing AC signals, among numerous other uses. Capacitor. Integrated capacitors MIS capacitor; Trench capacitor; Fixed capacitors Ceramic ...

5. Mains electricity by country - Wikipedia

   en.wikipedia.org/wiki/Mains_electricity_by_country

   60 Hz 50 Hz [32] Conversion of 50 Hz distribution to 60 Hz is ongoing. [33] Haiti: A, B 110 V 220/380 V 110/220 V 60 Hz Honduras: A, B 110 V 208 V 230 V 240 V 460 V 480 V 60 Hz Hong Kong: G D, M [34] BS 1363 BS 546 220 V 380 V 50 Hz Type G is most common. Hungary: C F MSZ EN 50075 MSZ 9781-2 230 V 400 V 50 Hz Iceland: C, F 230 V 400 V

6. Switched-mode power supply - Wikipedia

   en.wikipedia.org/wiki/Switched-mode_power_supply

   Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.

7. Friend 'brutally killed' over missing bank card - AOL

   www.aol.com/friend-brutally-killed-over-missing...

   Two men "brutally attacked and killed" a friend after wrongly accusing him of stealing a bank card. Jonathan Hutty, 49, was "violently assaulted" and found with a severe head injury inside a flat ...