Practice - Foundations of DC Circuits
Practice Questions
Test your understanding with targeted questions
What unit is used to measure voltage?
💡 Hint: Consider the unit that relates to electric potential.
Define current.
💡 Hint: Think about how charge moves in a circuit.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What unit measures electric current?
💡 Hint: Think about the flow of charge.
True or False: The voltage across a series circuit is the same across all components.
💡 Hint: Consider how voltage behaves in different configurations.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A resistor of 10 Ω and another of 20 Ω are connected in series to a 30 V battery. Calculate the current flowing through the circuit.
💡 Hint: Use Ohm's law to relate V, R, and I.
An inductor has a current of 5 A through it, and the inductance is 4 H. Calculate the energy stored in the inductor.
💡 Hint: Use the energy formula for inductors.
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Reference links
Supplementary resources to enhance your learning experience.