Question

♥♥hlw everyone♥♥
plzz help !!
.....................................................
Find the ratio of resistances of two copper rods X & Y and of lengths 30 cm and 10 cm respectively and having radii 2 cm and 1 cm respectively.
..................................................
​

Answer 1

Answer:

⬆️⬆️⬆️⬆️⬆️⬆️hope it helps you:)

♥️---------thank you----------♥️

Answer 2

Answer:

3:4

Use the formula of resistance in terms of length and area of cross section.