Electric Circuits

A material that easily lets electric current flow through it is called___

• conductor
• insulator
• electrocutor
• atomizer

What is the standard unit for electric current?

• Joule
• Ohm
• Amp
• Volt

Which of these concepts measures the amount of electric energy in a current?

• voltage
• resistance
• work
• current

A toy car needs four 1.5-volt batteries to work. What voltage does the car use?

• 1.5 V
• 4 V
• 5.5 V
• 6 V

The mathematical relationship between current, voltage and resistance is known as...

• Murph's Law
• Ohm's Law
• Law and Order
• Lawrence

What state of matter is electricity in?

• solid
• liquid
• gas
• none, it's a form of energy

Which part of the circuit is represented by this symbol?

• light bulb
• battery
• switch
• wire

What part of the circuit is represented by this symbol?

• switch
• battery
• wire
• resistor

Christmas lights are an excellent example of...

• parallel circuits
• series circuits

A 12 Volt battery powers a 4 Ohm light bulb. What current flows in this circuit?

• 3 Amps
• 8 Amps
• 16 Amps
• 48 Amps