Question 1
Which of the following correctly defines electrical resistance?
Question 2
A resistor of $15 \Omega$ is connected to a voltage source of $30 \text{ V}$. What is the current flowing through the resistor?
Question 3
Which of the following best describes the relationship between voltage, current, and resistance in a simple circuit?
Question 4
A circuit contains two resistors in parallel: $R_1 = 10 \Omega$ and $R_2 = 20 \Omega$. What is the total equivalent resistance of the circuit?
Question 5
If the voltage across a resistor is $10 \text{ V}$ and the current through it is $0.2 \text{ A}$, what is the resistance of the resistor?