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10Only magnetic materials can be made into magnets.
Plastic can be changed into a magnet.
Iron and nickel are used to make magnets.
A magnet made by humans is called an artificial magnet.
Stroking means rubbing a material again and again in different directions.
In the stroking method, rubbing is done in one direction.
A magnet can be made with the help of electricity.
An electromagnet is a permanent magnet.
The power of an electromagnet increases when more turns of wire are used.
When current is stopped, an electromagnet loses its magnetism.
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Which material can be made into a magnet?
Which method uses rubbing to make a magnet?
What is a magnet made by humans called?
Which item is used to make an electromagnet?
A magnet made by electricity is called:
What happens when the number of wire turns is increased?
Which makes an electromagnet stronger?
What happens when the cell is disconnected?
Which of these uses electromagnets?
Which magnet is temporary?
Only ______ materials can be used to make magnets.
Iron and ______ are used to make magnets.
A magnet made by humans is called an ______ magnet.
Rubbing a magnetic substance in one direction is called the ______ method.
In the electrical method, a magnet is made using ______.
A magnet made by electricity is called an ______.
An electromagnet is a ______ magnet.
The strength of an electromagnet increases when the number of ______ is increased.
The nail wrapped with insulated copper wire becomes an ______.
An electromagnet is demagnetized when the ______ is stopped.