A conducting loop of radius r=0.1 m, carrying a current I=2 A has a magnetic moment / vec{/mu} μ that is entirely in the j-hat direction. The loop is immersed in a magnetic field / vec{B} B = [3 i-hat + 4 j-hat] T. What is the potential energy of the loop in this configuration?

Question

Physics

Lea Hanna

6 October, 18:26

A conducting loop of radius r=0.1 m, carrying a current I=2 A has a magnetic moment / vec{/mu} μ that is entirely in the j-hat direction. The loop is immersed in a magnetic field / vec{B} B = [3 i-hat + 4 j-hat] T. What is the potential energy of the loop in this configuration?

+4

Answers (1)

Know the Answer?

Hallie Boyle · Answer 1

Magnetic moment of current carrying loop

= current x area

= 2 x π x. 1²

M =.0628 unit. it is in j direction so vecor form of it

M =.0628 j

Magnetic field B = 3i + 4 j

Energy

= - M. B

-.0628 j. (3i + 4 j)

= -.2512 J