Solveeit Logo
Login

Question

Question: A certain piece of silver of given mass is to be made like a wire. Which of the following combinatio...

A certain piece of silver of given mass is to be made like a wire. Which of the following combination of length (L) and the area of cross-sectional (1) will lead to the smallest resistance?

A

L and A

B

2L and A/2

C

L/2 and 2 A

D

Any of the above, because volume of silver remains same

Answer

L/2 and 2 A

Explanation

Solution

R=ρlAR = \rho\frac{l}{A}