Practice - Current and Circuits
Practice Questions
Test your understanding with targeted questions
Define electric current.
💡 Hint: Think about what happens when you turn on a switch.
What does Ohm's law state?
💡 Hint: The law involves three essential electrical quantities.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating resistance in terms of resistivity?
💡 Hint: Think about how the resistance changes with length and area.
True or False: In a series circuit, the total current is the same in all resistors.
💡 Hint: Consider how current travels through each component.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the current flowing through a circuit with a 9 V battery connected in series with a 3 Ω and a 6 Ω resistor.
💡 Hint: Remember to find total resistance first before calculating current.
In a circuit with a 15 V battery where two resistors, 5 Ω and 3 Ω, are in parallel, determine the current through each resistor.
💡 Hint: Use currents in parallel equations separately after finding total.
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Reference links
Supplementary resources to enhance your learning experience.