Questions
I-V characteristic of a copper wire of length L and area of cross-section A is shown in figure. The slope of the curve becomes
detailed solution
Correct option is D
Slope of V-i curve = R= ρlA But in given curve axis of i and V are interchanged. So slope of given curve =1R= Aρl i.e.,. with the increase in length of the wire, slope of the curve will decrease.Talk to our academic expert!
Similar Questions
An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the lengths and radii of the wires are in the ratio of (4/3) and (2/3), then the ratio of the currents passing through the wires will be
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