Two long, parallel wires carry currents of different magnitudes. If the current in one of the wires is doubled and the current in the other wire is halved, what happens to the magnitude of the force between these two wires? It is reduced by a factor of 2. It stays the same. It is quadrupled. It is doubled.
Two long, parallel wires carry currents of different magnitudes. If the current in one of the wires is doubled and the current in the other wire is halved, what happens to the magnitude of the force between these two wires? It is reduced by a factor of 2. It stays the same. It is quadrupled. It is doubled.
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Transcribed Image Text:Two long, parallel wires carry currents of different magnitudes. If the current in one
of the wires is doubled and the current in the other wire is halved, what happens to
the magnitude of the force between these two wires?
It is reduced by a factor of 2.
It stays the same.
It is quadrupled.
It is doubled.
It is tripled.
Transcribed Image Text:A wire is carrying current vertically downward. What is the direction of the force due
to Earth's magnetic field on the wire?
horizontally towards the north
horizontally towards the east
vertically upward
horizontally towards the west
horizontally towards the south
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