Question
The magnetic potential energy, when a magnetic bar of magnetic moment m is placed perpendicular to the magnetic field B is
NEET
Physics
Magnetic Effects of Current
2024
NEET 2024 (Re-NEET)
NEET Physics Question (2024) — Solution
Options
- A. - m B 2
- B. Zero
- C. -m B
- D. m B
Answer
B. Zero
Step-by-step solution
Potential energy stored in external magnetic field is given by U=- m B Angle between m and B is 90^ U=-m B 90^ =0
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