Question

12. The resistivity does not change if:

the material is changed

the temperature is changed

the shape of the resistor is changed

both material and temperature is changed

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Answer 1

Explanation:

(C) THE SHAPE OF RESISTOR IS CHANGED.

and material ... The factors that resistivity depends on is temperature and nature of the material it is independent of length and area of cross section. Option c is true since the resistivity depends upon temperature, material and resistivity of object not on shap

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