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CBSE Class 10 Answered

resistance
Asked by | 09 Oct, 2008, 10:23: PM
answered-by-expert Expert Answer

use the formula

R= p l / A  , where R is the resistance ,p is resistivity, l is the length of the wire, A is the cross-sectional area, from diameter find the area, put the values and find length.

Answered by | 10 Oct, 2008, 07:37: AM

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