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CBSE Class 10 Answered

pls explain
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Asked by gpnkumar0 | 14 Mar, 2018, 21:39: PM
answered-by-expert Expert Answer
In the given graph horizontal axis showing current and vertical axis showing voltage.
 
let us draw a vertical line on the horizontal axis at some point. As the vertical distance increases from axis in this line, voltage increases.
 
Hence this vertical line first meets the graph-C, hence this corresponds to lowest voltage and hence lowest resitance.
hence graph C is for R2 (since R1>R2)
 
vertical line meets the graph-A last, hence highest voltage, highest resistance. Hence graph-A corresponds to (R1+R2)
hence graph-B corresponds to R1
 
hence the option " (D)series combination, R1, R2 " is the correct answer

Answered by Thiyagarajan K | 15 Mar, 2018, 15:19: PM

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