3. Electrical Systems

Circuit Basics — Quiz

Test your understanding of circuit basics with 5 practice questions.

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Practice Questions

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?