Two Parallel and Coaxial Current Loops of Radius a Are

question 14

Multiple Choice

Two parallel and coaxial current loops of radius a are placed a distance 2L apart.When you look along the axis at the loops,the current in one is clockwise,and counterclockwise in the other.At a point on the axis half way between the loops the magnetic field in T has magnitude

• A)0.
• B) .
• C) .
• D) .
• E) .

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