Practice - Magnetic Fields Due to Currents
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Practice Questions
Test your understanding with targeted questions
What is the relationship between electric current and magnetic field?
💡 Hint: Think about what happens when current flows.
State the formula used to calculate the magnetic field around a long straight conductor.
💡 Hint: Identify the parameters involved.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for the magnetic field around a long straight wire?
💡 Hint: Think about how distance affects the field.
True or False: The magnetic field inside a long solenoid is uniform.
💡 Hint: Consider how dense the coils are.
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Challenge Problems
Push your limits with advanced challenges
A solenoid has 250 turns per meter and carries a current of 3 A. Calculate the magnetic field inside the solenoid.
💡 Hint: Use the formula for magnetic field inside a solenoid.
A long straight wire carries a current of 5 A. Calculate the magnetic field at a distance of 0.4 m from the wire.
💡 Hint: Apply the magnetic field formula for a straight wire.
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