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The figure shows the cross section of a long cylindrical conductor of radius a = 1.00 cm carrying uniform 100 A current. What is the magnitude of the current's magnetic field at
radial distancer = 0.80 cm (in tesla)?
a
Give your answer as only the numerical value in the Sl units specified. e is interpreted as x10^ for use with large or small values; 1.01e2 is interpreted as 1.01 x 102.

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