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The first post of my new blog

I am Eng. SM Rafiqul Islam (  Rafiq )
My youtube channel name:
(BD Village chanel)
Channel link:
https://www.youtube.com/channel/UC3oLFWM4X6uapZyqjTx78Yw?disable_polymer=true

webside:
  https://www.esmrafiq.blogspot.com

Email:
  rafiqsm99@gmail.com

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RM, SM, SE, RE āĻĻ্āĻŦাāϰা āĻ•্āϝাāĻŦāϞেāϰ āĻ•ি āĻŦুāĻাāύো āĻšā§Ÿে āĻĨাāĻ•ে?

āĻāϏ,āĻāĻŽ,āϰāĻĢিāĻ• ঃ āĻ…āύেāĻ•েāχ āφāĻŽāϰা āĻŦāϞে āĻĨাāĻ•ি āφāϰ āĻāĻŽ āĻāϰ āĻŽাāύ āĻ•িāĻ­াāĻŦে āĻŦেāϰ āĻ•āϰāĻŦো āϤাāϰেāϰ āϏাāχāϜ āύিāϰ্āĻŖāϝ় āĻ•āϰাāϰ āϜāύ্āϝ। āϏāϤ্āϝিāĻ•াāϰ āĻ…āϰ্āĻĨে āĻāϟা āĻ•োāύ āϏāĻ িāĻ• āύি⧟āĻŽ āύ⧟ āϝāĻĻিāĻ“ āĻ…āύেāĻ• āĻĢāϰ্āĻŽুāϞা āφāĻ›ে। āϤাāϰেāϰ āϏাāχāϜ āύিāϰ্āĻŖāϝ় āύিāϰ্āĻ­āϰ āĻ•āϰে āĻ­োāϞ্āϟেāϜ āĻĄ্āϰāĻĒ, āĻĻূāϰāϤ্āĻŦ, āϞোāĻĄ āχāϤ্āϝাāĻĻিāϰ āωāĻĒāϰ āϝা āφāĻŽāϰা āχāϤিāĻŽāϧ্āϝে āφāϞোāϚāύা āĻ•āϰেāĻ›ি। āĻ…āύেāĻ•ে āĻ•্āώেāϤ্āϰে āĻ•্āϝাāĻŦāϞে rm, sm, se, re āĻĨাāĻ•ে। āĻāĻ—ুāϞো āĻĻ্āĻŦাāϰা āĻŽূāϞāϤ āĻ•্āϝাāĻŦāϞেāϰ āχāωāύিāϟ āĻŦুāĻাāύো āĻšā§Ÿ। āϤাāϰেāϰ āϏাāχāϜ āύিāϰ্āĻŖāϝ় āĻ•āϰাāϰ āĻ•্āώেāϤ্āϰে āĻĒ্āϰāĻĨāĻŽে āφāĻŽাāĻĻেāϰāĻ•ে āĻāĻ—ুāϞো āϜেāύে āϰাāĻ–āϤে āĻšāĻŦে। āύিāϚেāϰ āϚিāϤ্āϰ āĻĻেāĻ–āϞে āφāĻļা āĻ•āϰāĻ›ি āĻ­াāϞো āĻ­াāĻŦে āĻŦুāĻāϤে āĻĒাāϰāĻŦেāύ।

āĻ“ā§Ÿাāϟ āĻ•ি, āĻ•িāĻ­াāĻŦে āύিāϰ্āϪ⧟ āĻ•āϰে?āĻ“ā§Ÿাāϟ āĻ•িāĻ­াāĻŦে āĻŽাāĻĒে?

āĻāϏ,āĻāĻŽ,āϰāĻĢিāĻ• ঃ āĻ“ā§Ÿাāϟ (Watt):  āϏāĻšāϜ āĻ­াāĻŦে āĻŦāϞāϞে āĻ•্āώāĻŽāϤাāϰ āĻāĻ•āĻ• āĻšāϚ্āĻ›ে āĻ“ā§Ÿাāϟ। āφāĻŽāϰা āϜাāύি āϝে āĻ•োāύ āϝāύ্āϤ্āϰ āϤা āχāϞেāĻ•āϟ্āϰিāĻ•াāϞ, āχāϞেāĻ•āϟ্āϰāύিāĻ• āĻ•িংāĻŦা āĻŽ্āϝাāĻ•াāύিāĻ•াāϞ āĻšোāĻ• āύা āĻ•েāύ āϚāϞāĻŦাāϰ āϜāύ্āϝ āĻļāĻ•্āϤিāϰ āĻĒ্āϰ⧟োāϜāύ āĻšā§Ÿ। āϤেāĻŽāύি āĻ­াāĻŦে āĻ•োāύ āϝāύ্āϤ্āϰ/āϞোāĻĄ āύিāϰ্āĻĻিāώ্āϟ āϏāĻŽā§Ÿে āĻ•āϤāϟুāĻ•ু āĻļāĻ•্āϤি āĻ–āϰāϚ āĻ•āϰে āĻ•োāύ āĻ•াāϜ āϏāĻŽ্āĻĒূāϰ্āĻŖ āĻ•āϰāϤে āĻĒাāϰে āϏে āĻšিāϏাāĻŦ āĻ•েāχ āĻ“ā§Ÿাāϟ āĻŦāϞে। āĻ“ā§Ÿাāϟ āĻ•িāĻ­াāĻŦে āύিāϰ্āϪ⧟ āĻ•āϰে? āĻ“ā§Ÿাāϟ āĻŦেāϰ āĻ•āϰāϤে āĻ“āĻšāĻŽ āĻāϰ āϏূāϤ্āϰ (Ohm’s law) āĻ…āύুāϝা⧟ী DC āĻāϰ āĻ•্āώেāϤ্āϰে- P = V×I = I 2 ×R = V 2 ÷R āĻ…āϰ্āĻĨাā§Ž, P = V×I  āĻ…āĻĨāĻŦা P = I×R  āĻ…āĻĨāĻŦা P = V 2 /R āĻāχ āϤিāύ āĻ­াāĻŦে āĻĒ্āϰāĻ•াāĻļ āĻ•āϰা āϝা⧟। āĻ“ā§Ÿাāϟ āĻŦেāϰ āĻ•āϰāϤে āĻ“āĻšāĻŽ āĻāϰ āϏূāϤ্āϰ (Ohm’s law) āĻ…āύুāϝা⧟ী AC āĻāϰ āĻ•্āώেāϤ্āϰে- P = V×I×P.F = I 2 ×R×P.F = (V 2 ×P.F)÷R āĻ…āϰ্āĻĨাā§Ž, P = V×I×P.F   āĻ…āĻĨāĻŦা P = I 2 ×R×P.F   āĻ…āĻĨāĻŦা P = (V 2 ×P.F)÷R āĻāχ āϤিāύ āĻ­াāĻŦে āĻĒ্āϰāĻ•াāĻļ āĻ•āϰা āϝা⧟। āĻāĻ–াāύে, P  =  Power  āϝাāϰ āĻāĻ•āĻ• āĻšāϞো  Watt   I  =  Current  āϝাāϰ āĻāĻ•āĻ• āĻšāϞো  Ampere V  =  Voltage  āϝাāϰ āĻāĻ•āĻ• āĻšāϞো  Volt R  =  Resistance  āϝাāϰ āĻāĻ•āĻ• āĻšāϞো  Ohm...

āĻĢিāϰে āϤাāĻ•াāϤে āύেāχ

......āĻļুāϧু āĻĒিāĻ›ুāϟাāύেāχ āĻĒেāĻ›āύে āĻĢিāϰে āϤাāĻ•াāϤে āύেāχ ........āĻāϤে āĻ•āϰে āĻ…āϤিāϤেāϰ āĻŽা⧟াāϜাāϞ āϏাāĻŽāύে āĻāϏে āĻ­ীāϰ āϜāĻŽাāĻŦেāχ.......āĻŽা⧟া āϜ⧜াāύো āĻ…āϤিāϤāĻ•ে āĻ…āύুāϧাāĻŦāύ āĻ•āϰāϤে āĻšā§Ÿ āĻ—āĻ­িāϰ āĻļুāĻ•াāĻŦāĻš āύিāϰāĻŦāϤা āĻĻি⧟ে৷  ..............   āĻāϏ,āĻāĻŽ, āϰāĻĢিāĻ•;----------