Question

Q19. Assertion: When a wire of
resistivity ‘x'is pulled to double its
length its resistivity remains the
same. Reason: resistivity depends on
nature of material.
(a) Both A and R are true and Ris
the correct explanation of A
O
(b) Both A and Rare true but Ris not
the correct explanation of A.
O (C) A is true but Ris false.
O (d) A is false R is true.​

Answer 1

Answer:

Resistivity depends on the material used not on the shape, size of the body so resistivity is remained same