Question

# Solve this: 4. A student carries out an experiment and plots the V-I graph of three samples of nichrome wire with resistances R1, R2 and R3 respectively (Figure). Which of the following is true? (a) R1 = R2 = R3 ​(b) R1 > R2 > R3 ​(c) R3 > R2 > R1 ​(d) R2 > R3 > R1

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Solution

## Dear Student $Q4Resis\mathrm{tan}ce=V/I\phantom{\rule{0ex}{0ex}}Resis\mathrm{tan}cewillbegivenbyslopeofthegraphbetweenVandIgraph.\phantom{\rule{0ex}{0ex}}asR3willbemaximumthanR2thanR1asslopesdecreasesfromR3>R2>R1\phantom{\rule{0ex}{0ex}}REGARDS$

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