As shown in the schematic diagram below, a rod of uniform cross-sectional area a and length i is carrying a constant current i through it and voltage across the rod is measured using an ideal voltmeter. the rod is stretched by the application of a force f. which of the following graphs would show the variation in the voltage across the rod as function of the strain, e, when the strain is small. neglect joule heating.​

Answers 1

Answer:

Yes a rod is of length 10 m long

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