Electricity and Circuits Quiz

Jenny’s phone charges from a power bank. What is electricity in this case?

• Sound

• Flow of electrons

• Light

• Water

What tool is used to tighten screws in an outlet?

• Pliers

• Soldering iron

• Multimeter

• Screwdriver

What unit measures resistance?

• Watt

• Ampere

• Volt

• Ohm

Paolo replaces a damaged plug wire and checks for live current. Which particle moves in a live wire?

• Neutron

• Proton

• Electron

• Atom

Jayden adds more devices to a series circuit. What happens to resistance?

• Same

• Increases

• Decreases

• Doubles

Which device is used to measure current?

• Ammeter

• Voltmeter

• Ohmmeter

• Tester

Voltage from the outlet reverses direction many times a second. What type of current is this?

• Direct

• Constant

• Alternating

• Delayed

What should be done before any electrical project?

• Power off

• Increase voltage

• Remove fuses

• Bypass switches

What unit is used in electricity bills?

• Ohm

• Watt

• Volt

• kWh

Aaron’s toy car stopped working due to a broken wire. Why did it stop?

• More current

• Open circuit

• Overheated battery

• Reversed motor