What happens to the resistivity of a wire if it is stretchedoption(1)

1.	What happens to the resistivity of a wire if it is stretchedoption(1) it will increase (2) it will decrease (3) first increase than decrease (4) remains the same
Answer» ANSWER: when it's is stretched it's CROSS sectional area will DECREASE and it RESISTIVITY will increase

What happens to the resistivity of a wire if it is stretchedoption(1) it will increase (2) it will decrease (3) first increase than decrease (4) remains the same

Answer»

when it's is stretched it's CROSS sectional area will DECREASE and it RESISTIVITY will increase