Electricity Exam Practice Questions

A fan is plugged into an extension cord. The extension cord is plugged into a wall outlet. How does the extension cord help the fan work?

• The extension cord makes the fan more powerful

• The extension cord makes the fan easier to operate

• The extension cord transfers sound energy to the fan

• The extension cord transfers electric currents from the outlet to the fan

A flow of electrical charge is known as .....

• resistance

• electrical current

• static electricity

• voltage

The path along which electrical current flows is called a .....

• circuit

• voltage source

• resistor

A student made the circuit in the drawing below. Which does the student need to add to the circuit to make it work?

• another bulb

• another battery

• a switch

• another wire

In an electric circuit, a battery can act as a ....

• voltage source

• conductor

• insulator

• resistor

A conductor is a ........

• a material that increases the number of charged particles

• material that increases the amount of electricity

• material through which electricity flows easily

• material that stops the flow of energy

A switch in a circuit _____

• acts as an insulator

• absorbs electricity

• allows or stops the flow of electricity

• keeps the flow of electricity at a safe level

An object in an electrical circuit that resists the flow of energy is called .......

• a magnet

• a compass

• a voltage

• a resistor

What is the symbol for a light bulb?

• 
• 
• 

What is the symbol for a battery?

• 
• 
•