A Uniform Magnetic Field Passes Through Two Areas,A₁ and A₂

question 39

Multiple Choice

A uniform magnetic field passes through two areas,A₁ and A₂.The angles between the magnetic field and the normals of areas A₁ and A₂ are 30.0° and 60.0°,respectively.If the magnetic flux through the two areas is the same,what is the ratio A₁/A₂?

• A)0.354
• B)0.866
• C)1.00
• D)1.23
• E)1.73

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