A $92\mathrm{.}0$ AA current circulates around a $2\mathrm{.}50-$mmmm$-$diameter superconducting ring.

Part A

What is the ring's magnetic dipole moment?

Express your answer in amper$-$meters squared with the appropriate units.

View Available Hint$($s$)$for Part A

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$=$

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A$$m$2$A$$m$2$

Submit

Part B

What is the on$-$axis magnetic field strength $5\mathrm{.}40$ cmcm from the ring?

Express your answer with the appropriate units.

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BB $=$

nothingnothing