A wire with a resistance of 6 Ω is drawn out through a die so that its new length is three times its
A wire with a resistance of 6 Ω is drawn out through a die so that its new length is three times its original length. Find the resistance of the longer wire, assuming that the resistivity and density of the material are unchanged.
Explanation
This physics concept involves analyzing the given values and applying relevant formulas. Work through the problem step by step using known equations and constants.
Identify what quantity needs to be found and which formula connects the given information to the answer. Substitute the values carefully, paying attention to units.
Check that your calculated answer matches one of the options provided. Understanding the underlying principle helps verify the solution makes physical sense.