CBSE BOARD X, asked by ritikagoswami2006, 7 months ago

plz answer the question which attached ...

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Answered by kikibuji

4

Answer:

resistivity is constant for a given material.so its value didn't change even after changing its length.

resistance,R is proportional to square of the length

if length is halved,the resistance become one fourth of the original

Answered by brainlyvolunteer

8

Answer:

resistivity does not change

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