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Exam 27: Magnetic Field and Magnetic Forces

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As shown in the figure,a small particle of charge q = -7.0 × As shown in the figure,a small particle of charge q = -7.0 × C and mass has velocity as it enters a region of uniform magnetic field.The particle is observed to travel in the semicircular path shown,with radius .Calculate the magnitude and direction of the magnetic field in the region. C and mass As shown in the figure,a small particle of charge q = -7.0 × C and mass has velocity as it enters a region of uniform magnetic field.The particle is observed to travel in the semicircular path shown,with radius .Calculate the magnitude and direction of the magnetic field in the region. has velocity As shown in the figure,a small particle of charge q = -7.0 × C and mass has velocity as it enters a region of uniform magnetic field.The particle is observed to travel in the semicircular path shown,with radius .Calculate the magnitude and direction of the magnetic field in the region. as it enters a region of uniform magnetic field.The particle is observed to travel in the semicircular path shown,with radius As shown in the figure,a small particle of charge q = -7.0 × C and mass has velocity as it enters a region of uniform magnetic field.The particle is observed to travel in the semicircular path shown,with radius .Calculate the magnitude and direction of the magnetic field in the region. .Calculate the magnitude and direction of the magnetic field in the region. As shown in the figure,a small particle of charge q = -7.0 × C and mass has velocity as it enters a region of uniform magnetic field.The particle is observed to travel in the semicircular path shown,with radius .Calculate the magnitude and direction of the magnetic field in the region.

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Question 41

A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of 4.0 A.It is placed in a magnetic field of A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of 4.0 A.It is placed in a magnetic field of with the plane of the coil making an angle of 30° with the magnetic field.What is the magnetic torque on the coil? with the plane of the coil making an angle of 30° with the magnetic field.What is the magnetic torque on the coil?

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