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Catherine rubs an iron nail in one direction with the south pole of a magnet. Which of the following is true of the magnetized nail?
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
How can you increase the strength of an electromagnet?
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
As the distance between the objects increases, the size of the electric force decreases.
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
Suki can have all five appliances in her kitchen on at the same time, or she can have each appliance on one at a time. How are the appliances in Suki’s kitchen wired?
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
What happens to the magnetic field of an electromagnet if you increase the current in the wire?
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
All of the other bulbs would remain lit.
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
An electromagnet used in a junkyard can only pick up cars. How could the electromagnet be improved so that it could lift trucks and other large vehicles?
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
Jane puts the north pole of a bar magnet near an object on her desk. As the magnet gets closer to the object, the object is repelled and moves away from the magnet. Which of th
All of the other bulbs would remain lit.
Its domains have become rearranged so that they line up in one direction.
The electric current and the number of coils in the solenoid could be increased.
The object is a magnet or has been magnetized.
the magnetic field gets stronger
As the distance between the objects increases, the size of the electric force decreases.
in a parallel circuit
increase the number of coils and/or increase the current
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