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. Which of the following is hue? [NCERT Exemplar Problems]
(a) R1 = R2 = R3
(b) R1 > R2 > R3
(c) R3 > R2 > R1
(d) R2 > R3 > R1
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9
Answer:Using the relation [R=V/I] , which is inverse of the tangent of the given graph.
As tangent of first is greater than second which is further greater than third, the order of resistance will be [R 3 >R 2 >R 1 ]
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1
Answer:
[R 3 >R 2 >R 1 ]
Explanation:
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