Question
Download Solution PDFA bar magnet with poles 25 cm apart has a pole strength of 14.4 A-m. What is the magnetic dipole moment of the bar magnet?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
- Magnetic Dipole Moment: For a bar magnet, it is described as the product of pole strength and the distance between the two poles.
m = pl
where m is the magnetic Dipole moment, p is the pole strength, and l is the distance between the two poles.
CALCULATION:
Given that p = 14.4 Am; l = 25 cm = 0.25 m;
m = pl
m = 14.4 × 0.25 = 3.6 Am2
So the correct answer is option 4.
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