27. Resistors & DC Circuits
Intro to Current
27. Resistors & DC Circuits Intro to Current
11PRACTICE PROBLEM
A circuit consists of two wires made of iron and copper, respectively, connected in series as shown below. If the electric field strength is required to be the same in both wires, and the copper wire has a radius of 2.0 mm, determine the radius of the iron wire.
A circuit consists of two wires made of iron and copper, respectively, connected in series as shown below. If the electric field strength is required to be the same in both wires, and the copper wire has a radius of 2.0 mm, determine the radius of the iron wire.