# Differences

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courses:order20:sporder20:spmagmom 2018/09/19 09:45 | courses:order20:sporder20:spmagmom 2018/09/19 09:52 current | ||
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* formal bits: symbol $\vec{\mu}$, vector, units/dimensions (charge*length^2; torque/magnetic field; energy/magnetic field) | * formal bits: symbol $\vec{\mu}$, vector, units/dimensions (charge*length^2; torque/magnetic field; energy/magnetic field) | ||

* magnetic moment for a current loop: $\vec{\mu}=I\vec{A}$ | * magnetic moment for a current loop: $\vec{\mu}=I\vec{A}$ | ||

- | * SWBQ: A particle with mass $m$ and charge $q$ moves at speed $v$ in a circle of radius $R$. What is the magnetic moment of the particle? What is the angular momentum of the particle? What is $\vec{\mu}$ in terms of $\vec{L}$? | + | * Small Calculation: A particle with mass $m$ and charge $q$ moves at speed $v$ in a circle of radius $R$. What is the magnetic moment of the particle? What is the angular momentum of the particle? What is $\vec{\mu}$ in terms of $\vec{L}$? |

* force and torque on a current loop in a magnetic field | * force and torque on a current loop in a magnetic field | ||

* magnetic momentum and angular momentum for a charged spinning sphere | * magnetic momentum and angular momentum for a charged spinning sphere |