Twisting couple and work done in twisting a wire

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Mam superb class

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What is the area of cross sectional of cylindrical shell?

[@akshayascolourworld]

Tnx😍

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Oru question paper discuss chyyooo plssss

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Pls do more videos

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Ee notes onn pdf link share chyyan patuoo

[@thahirmohammed9430]

Good one 🤝🤍