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Help to solve 3. Two concentric shall cables where inner cable has a radius of r, and outer cable has a radius of re to

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3. Two concentric shall cables where inner cable has a radius of r, and outer cable has a radius of re to carry the currents as shown in the figure where sach cable curries shown in Bore. Pick dinachong for the currents as shmim in The dray son. Apply Tha current I in opposite directions. Using the Amperu's Law; bitchhoff's rules, calculate the curren's is. 1 ,and bigveach of the branch of the CHOUR Determina the magnetic field B atrers Defermine the magnetic field B at r > n Doforming the magnetic field Balncren 9V

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