What are the name for the two poles on a Permanent Magnet?
North and South
East and West
South and East
North and West
How is the magnetic field around an Electromagnet formed?
When a magnet gets an electric shock.
When an electric current passes through a wire.
When a battery is physically connected to the magnet.
When a magnet picks up a metal.
Does Earth behave as a magnet?
Will North and South Poles repel each other?
What is this symbol?
We can calculate Resistance by:
Resistance = ❌ ÷ ❌
What three things can we do in order to strengthen the Magnetic Field of an Electromagnet?
Coil the wire.
Increase the amount of current flowing through a circuit.
Add a core made of a magnetic metal (iron).
Build a longer circuit.
Add more battery.
Are all metals magnetic?
What are the two types of circuit?
Series and Parallel
Sequence and Singular
Path and One
A chemical reaction causes a battery to work.
Copper is magnetic.
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