Practice - Resistivity and Conductivity
Practice Questions
Test your understanding with targeted questions
What is resistivity?
💡 Hint: Think about how materials behave when electricity flows through them.
Give one advantage of the four-point probe method.
💡 Hint: Consider why contact resistance might affect measurements.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is resistivity?
💡 Hint: Consider the relationship between electricity and material properties.
True or False: The Hall effect can be used to measure the density of charge carriers in a material.
💡 Hint: Think about what happens when a magnetic field is applied to a conductor.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a semiconductor has a Hall voltage of 0.1V, current of 0.5A, magnetic field of 0.2T, and thickness of 0.01m, calculate the Hall coefficient.
💡 Hint: Focus on rearranging the Hall equation to isolate R_H.
A silicon thin film has a measured voltage of 0.4V and a current of 2A passing through. If the thickness of the film is 0.005m, calculate its resistivity.
💡 Hint: Be careful with the constants and the calculations involved.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.