3.2.3 - Magnetic Field Due to a Long Straight Wire
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Practice Questions
Test your understanding with targeted questions
What does the formula B = (μ₀I)/(2πr) represent?
💡 Hint: Identify the variables in the formula.
According to the right-hand rule, if the current flows upward, which direction do the magnetic field lines circulate?
💡 Hint: Think about how your fingers would curl.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for the magnetic field due to a long straight wire?
💡 Hint: Recall the formula discussed in class.
True or False: The magnetic field intensity increases as the distance from the wire increases.
💡 Hint: Refer back to the relationship defined in the formula.
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Challenge Problems
Push your limits with advanced challenges
A long straight wire carries a current of 10 A. Calculate the magnetic field strength at a point 1 meter directly above the wire.
💡 Hint: Don't forget to simplify and use the constant accurately.
Two parallel wires are 0.5 meters apart, with both carrying a current of 3 A in the same direction. Describe the interaction of their magnetic fields.
💡 Hint: Visualize how the right-hand rule applies to understand their interaction.
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