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ICSE Class 9 Answered

voltage current graphs of two conductors A and B are shown in figure below,which conductor has higher resistance and why?
Asked by nisha_vini29 | 28 May, 2015, 10:31: PM
answered-by-expert Expert Answer
Slope of I-V graph gives the reciprocal of the resistance.Slope of R2 is larger than that of R1.
begin mathsize 14px style We space know space that space resistance comma space straight R equals straight V over straight I straight L ine space straight R subscript 2 space is space steeper space than space straight R subscript 1 space but comma Slope space of space the space graph space given space will space be space ΔI over ΔV equals 1 over straight R This space indicates space that space resistance space of space straight R subscript 1 space is space greater space than space straight R subscript 2 space end style
Answered by Jyothi Nair | 29 May, 2015, 09:00: AM

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