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30. Induction and Inductance

Lenz's Law

30. Induction and Inductance

Lenz's Law

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If the metal triangle shown in the figure is pushed to the left, farther into the magnetic field, what is the direction of the induced current in the triangle?
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According to Lenz’s Law, the direction of the induced magnetic field in a conductor is such that it
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According to Lenz's Law, if the magnetic flux $Φ$ through a conducting loop is increasing into the page, what is the direction of the induced current in the loop as viewed from above?
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An outer ring is connected to a variable voltage source. If the battery's voltage is continuously INCREASING, what is the direction of the induced current in the inner ring, centered inside of the outer ring?
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What emf is created in a $1 . 3 m$ long conductor moving at $45 m/s$ in a $3.0 mT$ magnetic field? Assume the conductor's velocity is perpendicular to the field.
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In a region of space, a magnetic field is increasing at $3 T / s$ . A square loop of wire with a side of $12 cm$ is oriented perpendicular to the field. The loop has a total resistance of $0.02 Ω$ . What current is induced in the loop?
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