Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicula its axis of rotation. Coil 1 has a radius of 4.3 cm and rotates in a 0.23-T field. Coil 2 rotates in a 0.32-T field. Each coil experiences th same maximum torque. What is the radius (in cm) of coil 2? Number i Units

University Physics Volume 2
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Chapter13: Electromagnetic Induction
Section: Chapter Questions
Problem 43P: A 25-cm nod moves at 5.0 m/s in a plane perpendicular to a magnetic field of strength 0.25 T. The...
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Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to
its axis of rotation. Coil 1 has a radius of 4.3 cm and rotates in a 0.23-T field. Coil 2 rotates in a 0.32-T field. Each coil experiences the
same maximum torque. What is the radius (in cm) of coil 2?
Number
i
Units
Transcribed Image Text:Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation. Coil 1 has a radius of 4.3 cm and rotates in a 0.23-T field. Coil 2 rotates in a 0.32-T field. Each coil experiences the same maximum torque. What is the radius (in cm) of coil 2? Number i Units
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