Question

How to calculate the ratio of cross sectional area of two wires using resistance?

Answer 1

Answer:

two wire a and b are of the equal length different cross sectional areas and made of same metal.Q.name the property which is same for both the the wires. Q. if the resistance of a wire A is 4 of the resistance of B, calculate the ratio of cross section area of wire.Q. ratio of radii of a wire.

Explanation