Practice Magnetic Dipole And Magnetic Dipole Moment (3.2.11) - Magnetic Effect of Current and Magnetism

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a magnetic dipole?
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Think of a bar magnet.
Question 2.
What does the magnetic moment represent?
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Remember the formula involving current and area.
3Question 3.
What defines a magnetic dipole?
- A single magnetic pole
- Two equal and opposite magnetic poles
- A random magnetic field
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Think of a bar magnet.
4Question 4.
True or False: A magnetic moment can be defined as $\vec{M} = I \cdot A \cdot \hat{n}$ .
- True
- False
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Refer to the formula we've discussed.
Question 5.
Given a loop of wire with a radius of 0.5 m carrying a current of 1 A, calculate the magnetic moment.
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Remember to use the formula for the area of a circle.
Question 6.
Explain how magnetic dipoles could influence the orientation of a compass in a magnetic field.
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Consider how a magnet behaves when brought near a compass.

5 more questions in this section. Enroll free to practise them all.