Question

A copper pipe has an inside diameter of 3.00 cm and an outside diameter of 5.00 cm (see the figure(Figure 1)) - Part A What is the resistance of 19.0 m of this pipe?

Answer 1

To find the resistance of the copper pipe, use Ohm's Law and calculate the cross-sectional area, then substitute the values into the formula.

Step-by-step explanation:

To find the resistance of the copper pipe, we can use Ohm's Law, which states that resistance = resistivity x length / cross-sectional area. The resistivity of copper is a known constant, and the length of the pipe is given as 19.0 m.

First, we need to find the cross-sectional area of the pipe. The inside diameter is given as 3.00 cm, which corresponds to a radius of 1.50 cm. The outside diameter is given as 5.00 cm, which corresponds to a radius of 2.50 cm.

The cross-sectional area can be calculated as the difference between the areas of the outer and inner circles: A = π(R_outer^2 - R_inner^2)