3.14 - Summary
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Practice Questions
Test your understanding with targeted questions
What is the unit of electric current?
💡 Hint: It's the same unit used to measure the flow of water.
What does resistivity depend on?
💡 Hint: Think of how different materials are better or worse at conducting electricity.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Ohm’s Law relate?
💡 Hint: Think about the relationship of these quantities.
True or False: Emf and voltage are the same as a force.
💡 Hint: Consider what each term describes.
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Challenge Problems
Push your limits with advanced challenges
A circuit contains two resistors: one 10Ω and another 15Ω connected in series. What is the total resistance?
💡 Hint: Add the resistances directly.
Using a 9V battery connected across a 3Ω resistor, calculate the current flowing.
💡 Hint: Identify voltage and resistance to solve.
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Reference links
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