Electricity and Magnetism

Front

What is lightning?

Back

A large discharge of electricity from the sky due to a build-up of electrons by friction between the clouds.

Front

What type of circuits are homes wired in today?

Back

Parallel circuits.

Front

What device increases or decreases voltage?

Back

Transformer.

Front

What is the unit of measurement for resistance?

Back

Ohm.

Front

What does a closed circuit mean?

Back

A closed circuit allows electricity to flow, completing the circuit.

Front

What is static electricity?

Back

A buildup of electric charge on the surface of objects.

Front

What is the difference between series and parallel circuits?

Back

In series circuits, components are connected end-to-end, while in parallel circuits, components are connected across common points.

Front

What is the function of a motor?

Back

A motor converts electrical energy into mechanical energy.

Front

What is a generator?

Back

A device that converts mechanical energy into electrical energy.

Front

What is voltage?

Back

The electric potential difference between two points, measured in volts.