APFIVE Axial Magnetic Field of a Current Loop
A circular loop of wire with radius R carries current I. At what distance along the axis from the center of the loop is the magnetic field strength half its value at the center?
A
R/2
B
R√3
C
2R
D
$$R\sqrt{2^{2/3} - 1}$$
Question Leaderboard
Not enough data yet to show leaderboard.