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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the current when using a 9V battery in a 100 Ξ© series circuit?
π‘ Hint: Use Ohm's law I = V/R.
Question 2
Easy
If you have 3 branches with resistance of 220 Ξ© each in a parallel circuit, what is the equivalent resistance?
π‘ Hint: Use the formula R_eq = R/n.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens to current when resistance increases in a series circuit?
- It increases
- It decreases
- It stays the same
π‘ Hint: Think about how the circuit behaves when more resistance is added.
Question 2
In a parallel circuit, as you add more branches, what happens to the total current?
- True
- False
π‘ Hint: Remember that current can travel through multiple paths in a parallel circuit!
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a series circuit with 50 Ξ©, 100 Ξ©, and 150 Ξ© connected to a 9V battery, calculate the total current. Discuss possible errors in measurement.
π‘ Hint: Ensure you correctly add series resistances.
Question 2
A circuit consists of three resistors in parallel (30 Ξ©, 60 Ξ©, and 90 Ξ©). Calculate the total resistance and the current when connected to a 12V battery.
π‘ Hint: Use the formula for parallel resistances carefully.
Challenge and get performance evaluation