3.2 - Key Concepts
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Practice Questions
Test your understanding with targeted questions
What did Oersted demonstrate in his experiment?
💡 Hint: Think about the compass involvement.
What does the Biot-Savart law describe?
💡 Hint: Consider how we calculate fields from elements.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What direction does the magnetic field point relative to current flow in a wire?
💡 Hint: Think about the right-hand rule.
The Biot-Savart Law helps determine magnetic fields produced by what?
💡 Hint: Reflect on how currents interact with magnetic fields.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circular coil has a radius of 0.1 m carrying 5 A of current. Calculate the magnetic field at the center of the coil.
💡 Hint: Plug in values carefully to see the results.
Consider a long straight wire carrying 10 A. Calculate the magnetic field strength at a distance of 0.5 m from it.
💡 Hint: Breaking down the constants can help simplify your calculations.
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