Exam 29: The Magnetic Field

An electron enters a magnetic field of with a velocity perpendicular to the direction of the field.At what frequency does the electron traverse a circular path? (m_el = 9.11 × 10^-31 kg, e = 1.60 × 10^-19 C)

(Multiple Choice)

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Question 81

A circular loop of wire of radius 10 cm carries a current of 6.0 A.What is the magnitude of the magnetic field at the center of the loop? (μ₀ = 4π × 10^-7 T ∙ m/A)

(Multiple Choice)

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Question 82

A ring with a clockwise current (as seen from above the ring)is situated with its center directly above another ring,which has a counter-clockwise current,as shown in the figure.In what direction is the net magnetic force exerted on the top ring?

(Multiple Choice)

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Question 83

Showing 81 - 83 of 83

Exam 29: The Magnetic Field

An electron enters a magnetic field of with a velocity perpendicular to the direction of the field.At what frequency does the electron traverse a circular path? (mel = 9.11 × 10-31 kg, e = 1.60 × 10-19 C)

A circular loop of wire of radius 10 cm carries a current of 6.0 A.What is the magnitude of the magnetic field at the center of the loop? (μ0 = 4π × 10-7 T ∙ m/A)

A ring with a clockwise current (as seen from above the ring)is situated with its center directly above another ring,which has a counter-clockwise current,as shown in the figure.In what direction is the net magnetic force exerted on the top ring?

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An electron enters a magnetic field of with a velocity perpendicular to the direction of the field.At what frequency does the electron traverse a circular path? (m_el = 9.11 × 10^-31 kg, e = 1.60 × 10^-19 C)

A circular loop of wire of radius 10 cm carries a current of 6.0 A.What is the magnitude of the magnetic field at the center of the loop? (μ₀ = 4π × 10^-7 T ∙ m/A)