Question

Assertion(A): When the length of a wire is doubled then its resistance also gets doubled.

Reason(R): Resistance of the conductor is directly proportional the length.

a) Both A and R are true, and R is correct

explanation of A.

b) Both A and R are true, but R is not correct

explanation of A.

c) A is true but R is false. d) A is false but R is true.​

Answer 1

Option (C) is the correct answer

Explanation:-

Actually the area of wore will be halved as it's volume should remain constant to make the mass constant

hence it becomes 4 times

Answer 2

Answer:

C is the correct option

Explanation:

hope it helps