NEET · Physics · STD 12 - 5. Magnetism and matter
An iron bar of length \(L\) has magnetic moment \(M\). It is bent at the middle of its length such that the two arms make an angle \(60^{\circ}\) with each other. The magnetic moment of this new magnet is :
- A \(\frac{M}{2}\)
- B \(2 M\)
- C \(\frac{M}{\sqrt{3}}\)
- D \(M\)
Answer & Solution
Correct Answer
(A) \(\frac{M}{2}\)
Step-by-step Solution
Detailed explanation
(image) \(M=m I\).
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