A neutral metal rod of length 0.65 m slides horizontally at a constant speed of 6 m/s on frictionless insulating rails through a region of uniform magnetic field of magnitude 0.2 tesla, directed into the page as shown in the diagram. Before answering the following questions, draw a diagram showing the polarization of the rod, and the direction of the Coulomb electric field inside the rod. Which of the following statements is true? O The top of the moving rod is positive. O The top of the moving rod is negative. O The right side of the moving rod is positive. O The right side of the moving rod is negative. O The moving rod is not polarized. After the initial transient, what is the magnitude of the net force on a mobile electron inside the rod? |Fnetl - 0 What is the magnitude of the electric force on a mobile electron inside the rod? |Fel - N What is the magnitude of the magnetic force on a mobile electron inside the rod? |Fmagl - What is the magnitude of the potential difference across the rod? JAVI = In what direction must you exert a force to keep the rod moving at constant speed? volts O To the right
A neutral metal rod of length 0.65 m slides horizontally at a constant speed of 6 m/s on frictionless insulating rails through a region of uniform magnetic field of magnitude 0.2 tesla, directed into the page as shown in the diagram. Before answering the following questions, draw a diagram showing the polarization of the rod, and the direction of the Coulomb electric field inside the rod. Which of the following statements is true? O The top of the moving rod is positive. O The top of the moving rod is negative. O The right side of the moving rod is positive. O The right side of the moving rod is negative. O The moving rod is not polarized. After the initial transient, what is the magnitude of the net force on a mobile electron inside the rod? |Fnetl - 0 What is the magnitude of the electric force on a mobile electron inside the rod? |Fel - N What is the magnitude of the magnetic force on a mobile electron inside the rod? |Fmagl - What is the magnitude of the potential difference across the rod? JAVI = In what direction must you exert a force to keep the rod moving at constant speed? volts O To the right
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A neutral metal rod of length 0.65 m slides horizontally at a constant speed of 6 m/s on frictionless insulating rails through a region of uniform magnetic field of magnitude 0.2 tesla, directed into the page as shown in the diagram. Before answering the following questions, draw a diagram showing the
polarization of the rod, and the direction of the Coulomb electric field inside the rod.
Which of the following statements is true?
O The top of the moving rod is positive.
O The top of the moving rod is negative.
O The right side of the moving rod is positive.
O The right side of the moving rod is negative.
O The moving rod is not polarized.
After the initial transient, what is the magnitude of the net force on a mobile electron inside the rod?
|Fnetl
= 0
N
What is the magnitude of the electric force
a mobile electron inside the rod?
|Fell =
N
What is the magnitude of the magnetic force on a mobile electron inside the rod?
|Fmagl =
N
What is the magnitude of the potential difference across the rod?
JAVI
volts
In what direction must you exert a force to keep the rod moving at constant speed?
O To the right
O No force is needed
O To the left
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