Question

A small bar magnet lies along the x-axis with its Centre fixed at the origin. If the magnetic field at point (5$\hat{i}$) m due to this magnet is 4x106 T,then the magnetic field at point (10$\hat{j}$) m will be :

• A. 2.5x 10-7 T
• B. 2x10-6 T
• C. 1x10-6 T
• D. 2.0x10-7 T
• E. 8.0x10-8 T

Answer 1

Answer: (A)

2.5x 10-7 T

Answer 2

The correct answer is (A): 2.5x 10-7 T