A long straight wire carries a current of 45 A. What is the magnitude of the...

Question

Question

A long straight wire carries a current of 45 A. What is the magnitude of the magnetic field at a distance of a) 0.2 m? b) 0.7 m? c) 1.5 m?

A short circular coil with 30 turns and a radius of 4 cm carries a 15 A current. What is the magnetic field at the center of the coil?

Answer 1

Answer #1

仁distance ノ一亏 C) at r=1.5m Magnehc steld a cender ofthe arcular col CasNns)1s β= -7.06 8 5835 xiosT

Answer 2

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