The geometric length ofa bar magnet having pole strength 60 Am and magnetic moment 6 Am² is_________
A. 20 cm
B. 8 cm
C. 12 cm
D. 0.1 m
Answer:C
The geometric length ofa bar magnet having pole strength 60 Am and magnetic moment 6 Am² is_________
A. 20 cm B. 8 cm C. 12 cm D. 0.1 m