12.1 - MAGNETIC FIELD AND FIELD LINES
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Practice Questions
Test your understanding with targeted questions
What is a magnetic field?
💡 Hint: Think about what happens when you bring a magnet close to metal objects.
How can you visualize magnetic field lines around a wire?
💡 Hint: Consider the direction of current in the wire.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is created around a conductor when an electric current passes through it?
💡 Hint: Think about the activities we discussed.
True or False: The direction of the magnetic field is the same as the direction of the electric current.
💡 Hint: Refer back to how the right-hand rule works.
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Challenge Problems
Push your limits with advanced challenges
A long solenoid is connected to a battery. If the current through the solenoid is increased, what happens to the magnetic field inside the solenoid? Explain your reasoning.
💡 Hint: Remember the relationship between current and strength.
A loop of wire is moved through a magnetic field. What is induced in the wire, and how is this principle applied in generators?
💡 Hint: Think about how energy is transformed in a generator.
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