Prelims 2021 Concepts in News Lightening Spark K Siddhartha Sir

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For UPSC Prelims 2021 | General Studies | Current Affairs • LIGHTNING • Lightning is a large spark produced by an abrupt discontinuous discharge of electricity through the air, resulting most often from the creation and separation of electric charge in cumulonimbus clouds and also the difference between ground charge and base of the cloud. • During lightning, the path is illuminated and and ionizes the path and heats it to over 60000 degrees C. • There is always a conductive path of ionized air that forms near a cloud base prior to a lightning stroke. The initial conductive path is referred to as a step leader because it extends itself earthward in short, nearly invisible burst. A dart leader, which is continuous and less branched than a step leader, precedes each subsequent stroke along the same path. • Lightning often strikes outside of heavy rain area, and may occur as far as 15 kms. away from any rainfall. • When lightning strikes nearby, the electrical charge can travel through the water, therefore one must stay away from water bodies such as lakes, ponds, rivers, canals etc. • Any device designed to carry to the ground the short-duration surge currents that appear on the power lines and telephone or telegraph lines during thunderstorm • For more details : • Best Online Coaching for Civil Service_IAS_ UPSC_IFS_IPS, Free Study Material ENSEMBLE IAS ACADEMY • Call +91 98115 06926 • Visit us:- https://ensembleias.com/ • Online Store: https://online.ensemble.net.in/ • Email: [email protected] • #Lightning_Spark #Geographical_Event #ensembleiasacademy #geographyoptional #k_siddharthasir #ias #civilservices #upsc_motivation #upsc_aspirants #upsc_exam

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