Light-emitting diode Current Affairs, GK & News

Li-Fi versus Wi-Fi

Li-Fi uses LEDs and ‘visible’ light to transmit data wirelessly as an alternative to short-range radio. It does not require any special LED bulbs but only standard LED bulbs which are used in houses and offices. Though Li-Fi is a bidirectional technology, presently LEDs are used only to transmit data due to feasibility and cost ..

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Domestic Efficient Lighting Programme (DELP)

DELP programme has been launched in several states (Maharashtra, Rajasthan, Himachal Pradesh, Uttar Pradesh, Delhi) to replace the regular bulbs and CFL lights with LED lights. The programme is being implemented by  Discoms in association with Energy Efficiency Services Limited (EESL). LED lights are given at lower than market price in this scheme. What fraction ..

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