An object that can attract other objects containing iron, cobalt and nickel
What is a magnet?
Along with nickel and cobalt this is a ferromagnetic substance.
What is iron?
The thumb points in the direction of conventional current (points to the negative pole) and the curve of the fingers show the direction of the magnetic field lines (point towards the south pole)
What is the right hand rule?
A cylindrical coil of live wire.
What is a solenoid?
Done by opposite poles.
What is attract?
Describes all the phenomena caused by magnets.
What is magnetism?
Must be aligned to make a ferromagnetic substance into a magnet.
What are domains?
Only exist when the current flows.
What is the magnetic field?
Using the right hand rule, your thumb points in this direction.
What is North?
The ore discovered by the Greeks (600BC) that is a natural magnet.
What is magnetite?
The N-pole of a magnet is attracted to the this pole of the Earth
What is the north pole of the Earth?
A substance with the ability to acquire magnetic properties
What is a ferromagnetic substance?
A magnetic field can be generated using this type of electricity.
What is dynamic electricity?
One characteristics of solenoids that explain why they are used in technological applications.
What are turn on and off, direction can be reversed, and strength can be modified?
Done by like poles.
What is repel?
This is the area of space in which the magnetic force of a magnet can act on another magnet.
What is the magnetic field?
A ferromagnetic substance can be magnetized by these and electricity.
What is a strong magnet?
The direction conventional current flows.
What is from the positive electrode to the negative electrode?
Makes the solenoid a stronger magnet by increasing these.
What are coils and current?
The ability of a material to acquire and conserve its magnetic properties.
What is magnetic resonance?
Can all be made into magnets and they are affected by the magnetic field.
What are iron, cobalt and nickel?
Go from the north pole to the south pole.
What are magnetic field lines?
The magnetic field lines are this shape around a live wire?
What is a circle?
The best core used in a solenoid.
What is soft iron?
Generating a electric current in a conductor by varying a magnetic field around the conductor.
What is magnetic induction?