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nehal helal Grade:
        

sir, i have asked your help for calculating the ristance of a conical conductor. but still ihave a confusion. the area of cross section will be not same so what will be the value of A?kindly help me again. i would be obligue to you.

6 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

let the radius of base is R & height of cone is H ........(given)


now place the base in XY plane with center as origin so that the top most point of cone lies on Z axis....


semi verticle angle of cone = tan@ = R/H  ..............1


take a small elemental disk whose thickness is dz at a distance Z from origin....


radius of disc is r ...


from here tan@ = r /H-Z       ............2


equating 2 & 3


r/H-Z = R/H   ..........3


now find the resistance for this elementl disc & integrate it using proper limits...

6 years ago
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