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22:20 , sir aap knowledge de rahe ho uske liye love you irrespective of exam. Personally, mujhe bas concepts se mtlb hai marks to bas dikhane ke liye laane hai maa baap ko kyuki mera manna hai ki agar aapke concepts clear hain na to confidence ke liye fir exam ki jarurat nhi padti. ❣❣❣
Sir ik doubt tha circular loop mein jb hmm log magnetic field nikalenge to B=mue not I/2r hota to square loop ka agar question mein bola ho to kya use krenge mtlb kaunsa formula use karenge
24:43 how did you consider the angle between I dl and r is 90° ? The angle between radius and tangent is 90° , here r is not the radius of the coil it's the position vector between dl and P .
Bhai agar dhyan se dekho to jo p point hai wo us circular coil ki axis par hai.. aur ek circle ke axis, radius aur tangent saare mutually perpendicular hote hn.. isliye uske beech bhi 90° hi hoga
Bhai dekho wo jo point p hai wo us circular loop ke axis par hai.. aur kisi bhi circle ke axis, tangent aur radius saare aapas me mutually perpendicular hote hn.. isliye dl aur p ke beech bhi 90° hi banega
Sir 39:35 walle ques. Me agr hamare pass 2 different loops h then unkni magnetic field lines intersect nahi hogi kya.. Means magnetic field lines can never intersect But is this phemonema will work in two different coils...
Sir 35:30 pe denominater walla R to neglect ho gya But neuminator walla nahi kiya Is it is because When X>>>>R then we should neglect denominater R distance but the numinator R radis of coil is constant..