A Flat Coil Has a Maximum Flux of 4

question 72

Multiple Choice

A flat coil has a maximum flux of 4.0 × 10^-3 T·m² through it, with its area perpendicular to a uniform magnetic field. When the coil is rotated 60^° (so that its normal makes a 60^° angle with the field) , what is the flux through it?

• A) 4.0 × 10^-3 T·m²
• B) 8.0 × 10^-3 T·m²
• C) 3.5 × 10^-3 T·m²
• D) 2.0 × 10^-3 T·m²
• E) 6.9 × 10^-3 T·m²

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