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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens when a bar magnet is cut in half?
💡 Hint: Think about what defines a magnet.
Question 2
Easy
What is the direction of the magnetic field around a magnet?
💡 Hint: Consider the flow of lines.
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 does the magnetic moment measure?
- Strength and direction of the magnetic field
- Area of the magnetic field
- Only the strength of a magnet
💡 Hint: Remember, it's a vector quantity.
Question 2
True or False: Magnetic monopoles exist.
- True
- False
💡 Hint: Think about Gauss's law.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A magnet with a moment of 4 J/T experiences a field of 0.1 T. Calculate the work done to rotate from 0° to 90°.
💡 Hint: Consider how potential energy changes with the angle.
Question 2
If a magnet's magnetic field at a distance of 0.5 m from the center is 0.04 T, what is the magnetic moment if the magnet size is 0.1 m?
💡 Hint: Use the formula for magnetic field due to a dipole.
Challenge and get performance evaluation