A large sheet carries uniform surface cjarge dens

Question

A large sheet carries uniform surface cjarge density ¶.A rod of length 2l has a linear charge density of P on one half and -P on the other half. The rod is hinged at mid point O and makes angle A with the normal to the sheet.What is the torque experiwnced by the rod?

Namanj · Accepted Answer

The torque experienced by the rod will be calculated by the following:Force on elementary length. = E&lambda;dx,Torque=E&lambda;dxxsinθNow,Integrating from 0 to l, we get, &lambda;Esinθl2/2Again, for lower part (-&lambda;)Torque in same sense. &lambda;Esinθl2/2So net torque = &lambda;Esinθl2 E=&sigma;/2&epsilon;0Thus, &tau;= &lambda;Esinθl2/2&epsilon;0

IIT JEE Entrance Exam> A large sheet carries uniform surface cja...

A large sheet carries uniform surface cjarge density ¶.A rod of length 2l has a linear charge density of P on one half and -P on the other half. The rod is hinged at mid point O and makes angle A with the normal to the sheet.What is the torque experiwnced by the rod?

kshitiz , 6 Years ago

Namanj

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IIT JEE Entrance Exam> A large sheet carries uniform surface cja...

A large sheet carries uniform surface cjarge density ¶.A rod of length 2l has a linear charge density of P on one half and -P on the other half. The rod is hinged at mid point O and makes angle A with the normal to the sheet.What is the torque experiwnced by the rod?

kshitiz , 6 Years ago

Namanj

Provide a better Answer & Earn Cool Goodies

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Ask a Doubt

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Sum of series 2[n/2] ! [n/2]!/ n! [2Co-2C2+3C2....+[-1]^n[n+1]2Cn] where n is an even positive integer. Kindly provide solution of this question and how to generalise this. How do we know that which expansion will give this?

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I m foreigner,How much mark i need to get into IIT??

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