Electricity and Circuits

Front

What is a circuit?

Back

A circuit is a closed loop that allows electricity to flow from a power source to a device and back again.

Front

What is the difference between a series circuit and a parallel circuit?

Back

A series circuit has only one path for electricity to flow, while a parallel circuit has more than one path.

Front

What are conductors?

Back

Conductors are materials that allow electricity to flow easily through them, such as copper and aluminum.

Front

What are insulators?

Back

Insulators are materials that resist the flow of electricity, such as rubber and glass.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that is created by electric current flowing through a coil of wire.

Front

What is resistance in an electrical circuit?

Back

Resistance is a measure of how much a material opposes the flow of electric current, measured in ohms.

Front

What is Ohm's Law?

Back

Ohm's Law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R). It can be expressed as V = I × R.

Front

What is voltage?

Back

Voltage is the electric potential difference between two points in a circuit, measured in volts.

Front

What is current?

Back

Current is the flow of electric charge in a circuit, measured in amperes (amps).

Front

What happens to the total resistance in a series circuit when more resistors are added?

Back

The total resistance increases when more resistors are added in a series circuit.