electric intensity outside a charged cylinder having the charge per unit length lambda at a distance r from its axis is ..........?
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use guass law
consider a cylinder of radius r and height x.
Electric field is cylindrically outward
hence
E.dA=q/¢. q=lamda ×h
E(2πrx)=lamda×h/¢
E=lambda/2πr¢
consider a cylinder of radius r and height x.
Electric field is cylindrically outward
hence
E.dA=q/¢. q=lamda ×h
E(2πrx)=lamda×h/¢
E=lambda/2πr¢
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