A 580-Turn Circular Coil with an Area of 0

question 79

Multiple Choice

A 580-turn circular coil with an area of 0.0550 m² is mounted on a rotating frame,which turns at a rate of 17.0 rad/s in the presence of a 0.0400-T uniform magnetic field that is perpendicular to the axis of rotation.What is the instantaneous emf in the coil at the moment that the normal to its plane is at a 50.0° angle to the field?

• A)zero
• B)21.7 V
• C)18.9 V
• D)16.6 V
• E)0.0751 V

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