A Circular Wire Coil of Radius 25 Cm and 20

question 44

Multiple Choice

A circular wire coil of radius 25 cm and 20 turns is sitting in a perpendicular magnetic field of 0.20 T. If the coil is rotated 90^o, what is the magnitude of the change in magnetic flux through the loop?

• A) 0 Wb
• B) 1.6 Wb
• C) 0.080 Wb
• D) 0.80 Wb
• E) 0.040 Wb

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