Question

In the figure shown a semi-circular wire loop is placed in uniform field of 1T. The plane of the loop is perpendicular to the field. The magnetic force on the loop is

• A. 2N
• B. 4N
• C. 8N
• D. Zero

Answer 1

The correct option is C 8N

$F=il\times B=2\times 2\times 2\times 1=8N$.