A Rectangular Loop of Wire That Can Rotate About an Axis

question 49

Multiple Choice

A rectangular loop of wire that can rotate about an axis through its center is placed between the poles of a magnet in a magnetic field with a strength of 0.40 T,as shown in the figure.The length of the loop L is 0.16 m and its width w is 0.040 m.What is the magnetic flux through the loop when the plane of the loop makes an angle of 60° with the magnetic field?

• A)2.6 × 10^-3 T ∙ m²
• B)1.3 × 10^-3 T ∙ m²
• C)0 T ∙ m²
• D)2.2 × 10^-3 T ∙ m²
• E)0.80 T ∙ m²

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