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CBSE Class 10 Answered

ohm,s law related problem
Asked by adilalikhan | 02 Jul, 2008, 02:48: PM
answered-by-expert Expert Answer

Let the length required be l.

 Now using the relation,R=(Resistivity)(l/A)

10=1.6 *(l/(3.14*(0.25*10-3 )2 )

Hence l=1.22*10-6 m

 

 

Answered by | 22 Jul, 2008, 11:59: PM

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