An L = 53.0 cm wire is moving to the right at a speed of v = 6.50 m/s across two parallel wire rails that are connected on the left side, as shown in the figure. The whole apparatus is immersed in a uniform magnetic field that has a magnitude of B = 0.830 T and is directed into the screen. What is the emf E induced in the wire? The induced emf causes a current to flow in the circuit formed by the moving wire and the rails. In which direction does the current flow around the circuit? clockwise counterclockwise If the moving wire and the rails have a combined total resistance of 1.55 Q, what applied force F would be required to keep the wire moving at the given velocity? Assume that there is no friction between the moving wire and the rails.

Question
An L = 53.0 cm wire is moving to the right at a speed of
v = 6.50 m/s across two parallel wire rails that are
connected on the left side, as shown in the figure. The whole
apparatus is immersed in a uniform magnetic field that has a
magnitude of B = 0.830 T and is directed into the screen.
What is the emf E induced in the wire?
The induced emf causes a current to flow in the circuit
formed by the moving wire and the rails.
In which direction does the current flow around the circuit?
clockwise
counterclockwise
If the moving wire and the rails have a combined total
resistance of 1.55 Q, what applied force F would be
required to keep the wire moving at the given velocity?
Assume that there is no friction between the moving wire
and the rails.
Expand
Transcribed Image Text

An L = 53.0 cm wire is moving to the right at a speed of v = 6.50 m/s across two parallel wire rails that are connected on the left side, as shown in the figure. The whole apparatus is immersed in a uniform magnetic field that has a magnitude of B = 0.830 T and is directed into the screen. What is the emf E induced in the wire? The induced emf causes a current to flow in the circuit formed by the moving wire and the rails. In which direction does the current flow around the circuit? clockwise counterclockwise If the moving wire and the rails have a combined total resistance of 1.55 Q, what applied force F would be required to keep the wire moving at the given velocity? Assume that there is no friction between the moving wire and the rails.

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