a wire of radius 0.6 cm carries a current of 10 A that is uniformly distributed

Question

a wire of radius 0.6 cm carries a current of 10 A that is uniformly distributed ovee its cross section. Calculate the magnetic field strength at r=0.2 cm divided by that at r=0.4 cm. please show work. A. 1.0 B. 0.75 C. 0.50 D. 2.0 E. 3.0 a wire of radius 0.6 cm carries a current of 10 A that is uniformly distributed ovee its cross section. Calculate the magnetic field strength at r=0.2 cm divided by that at r=0.4 cm. please show work. A. 1.0 B. 0.75 C. 0.50 D. 2.0 E. 3.0 A. 1.0 B. 0.75 C. 0.50 D. 2.0 E. 3.0

Explanation / Answer

B = oI/2r

B0.2/B0.4 = 0.4/0.2 = 2.0

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