Question

which material will give rhe highest resistance if resistors are made up of the same length and same cross section area​

Answer 1

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The longer the cylinder, the greater its resistance. The larger its cross-sectional area A, the smaller its resistance. R=ρLA R = ρ L A . Table 1 gives representative values of ρ.

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Answer 2

Explanation:

resistor which has is longer and thinner or small cross section area