A bar magnet of magnetic moment 40 Am is divided into two equal parts by cutting it along its equator. The magnetic moment of each part will be_________
A. 10 Am²
B. 15 Am²
C. 20 Am²
D. 30 Am²
Answer:C
A bar magnet of magnetic moment 40 Am is divided into two equal parts by cutting it along its equator. The magnetic moment of each part will be_________
A. 10 Am² B. 15 Am² C. 20 Am² D. 30 Am²