Magnetics, Electricity and Electromagnetism /Force Fields

Front

What happens to the force of gravity between two objects when they are closer together?

Back

The force of gravity increases.

Front

What type of circuit is necessary for current to flow?

Back

A closed circuit.

Front

How can you control an electromagnet?

Back

You can turn an electromagnet on and off.

Front

Where are magnetic field lines closest together?

Back

At the poles of the magnet.

Front

Which of the following is a conductor: wood, iron, plastic spoon, or paper?

Back

Iron is a conductor.

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, attracting certain metals.

Front

What are the two poles of a magnet called?

Back

North pole and South pole.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet where the magnetic field is produced by an electric current.

Front

What is the role of a conductor in an electric circuit?

Back

A conductor allows electric current to flow through it.

Front

What is the difference between a closed circuit and an open circuit?

Back

A closed circuit allows current to flow, while an open circuit does not.