Question

The following questions consist of two statements—Assertion(A) and Reason(R) questions selecting the appropriate option given below:

(a) Both A and R are true and R is the correct explanation for A.
(b) Both A and R are true and R is not the correct explanation for A
(C) A is true but R is false.
(d) A is false but R is true.

(i) Assertion(A) : The resistivity of a substance depends on the nature of the substance and temperature.

Reason (R) : The resistivity of a substance is a characteristic of the material​

PLEASE EXPLAIN WHY THE ANSWER IS D

Answer 1

Answer:

resistance depends on temperature not resistivity

resistivity depends on the material used only

good day

Answer 2

The correct option is A