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10. -2 points SerCP11 19.5.P026My Notes Ask Your TeA wire having mass per unit length of 0.495 g/cm carries a 3.00 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward?magnitudedirection-Select-Need Help Read It

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10. -2 points SerCP11 19.5.P026
My Notes Ask Your Te
A wire having mass per unit length of 0.495 g/cm carries a 3.00 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward?
magnitude
direction
-Select-
Need Help Read It
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10. -2 points SerCP11 19.5.P026 My Notes Ask Your Te A wire having mass per unit length of 0.495 g/cm carries a 3.00 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward? magnitude direction -Select- Need Help Read It

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Step 1

The current in the wire is pointed towards the south from the right hand rule for currents in the magnetic field must be towards the east to make the magnetic force acting upward. Therefore the direction of the magnetic field is towards the east.

Step 2

To lift the wire vertically upward, the magnetic force on the wire must be equal to its weight.

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Step 3

Substituting the values, find the m...

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