Electromagnetism

What we call the relation between Electricity and magnetism?

• Magnet

• Electromagnetism

• Electricity

• Magnetic field

when there is a current in the wire what will happen to the compass needles?

• All of the compass needles point north

• All of the compass needles do not have any change

• The compass needles will point to form a circle

• The compass needles will point to the center

what does the Danish scientist Oersted discoverd?

• Electromagnetism

• Magnetism

• Electricity

• None

What Does the Right- hand rule mean?

• I = direction of the magnetic field

  B= the direction of electric current

• I= the direction of the electric current

  B= direction of the magnetic field

What does this image shows?

• Parallel circuit

• Magnet

• Series Circuit

• Electromagnet

The black stripes on the back of bank cards are made of

• Plastic

• Glass

• Tiny magnetic particles

Opposite Charges do what?

• Attract

• Repel

How do you make an electromagnet stronger?

• Add a motor And/or lightbulbs

• Add more wires coils and/or switch

• Add more light bulbs and/or wire coils

• Add more wire coils and/or batteries

What happens when an electric current flow through a wire

• The wire begins to spin

• Nothing happens

• A field of gravity is created around the wire

• A magnetic field is created around the wire

A _______________ is a current-carrying coil of wire with many loops.