Part A

A $109$ A current circulates around a $1\mathrm{.}70-$mm$-$diameter superconducting ring.

What is the ring's magnetic dipole moment?

Express your answer in amperes times meter squared.

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Correct

Part B

What is the on$-$axis magnetic field strength $5\mathrm{.}00$ cm from the ring?

Express your answer with the appropriate units.

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$B=$

$$

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