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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the formula B = (μ₀I)/(2πr) represent?
💡 Hint: Identify the variables in the formula.
Question 2
Easy
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.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula for the magnetic field due to a long straight wire?
- B = μ₀I/(2πr)
- B = 2πr/μ₀I
- B = 4πr²/μ₀I
💡 Hint: Recall the formula discussed in class.
Question 2
True or False: The magnetic field intensity increases as the distance from the wire increases.
- True
- False
💡 Hint: Refer back to the relationship defined in the formula.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation