3. Electric Circuits
Resistance, Resistivity, And Ohm’s Law — Quiz
Test your understanding of resistance, resistivity, and ohm’s law with 5 practice questions.
Practice Questions
Question 1
What does resistance measure in an electric circuit?
Question 2
Which statement best describes resistivity?
Question 3
Which equation correctly states Ohm’s law?
Question 4
A wire has a resistance of $5\ \Omega$ and a current of $2\ \text{A}$. What is the voltage across the wire?
Question 5
If the voltage across a resistor stays the same and the resistance increases, what happens to the current?