PS2.1 and PS2.2

Front

What surrounds an electron?

Back

An electric field.

Front

What happens to an object that is electrically charged?

Back

It has gained or lost electrons.

Front

What is the function of a step-up transformer?

Back

It increases voltage.

Front

What is an example of electric discharge?

Back

Lightning.

Front

What is the direction of magnetic field lines around a magnet?

Back

They start at the north pole and end at the south pole.

Front

What is an electric field?

Back

A region around a charged object where other charged objects experience a force.

Front

What is static electricity?

Back

An imbalance of electric charges within or on the surface of a material.

Front

What is the difference between conductors and insulators?

Back

Conductors allow electric charge to flow easily, while insulators do not.

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the mass of the atom and stabilize the nucleus.

Front

What is the relationship between voltage and current in a circuit?

Back

Voltage is the potential difference that drives current through a circuit.