Electricity and Circuits 101

When a material is good at allowing smooth electrical current flow we usually call it a.....

• Conductor

• Resistor

• Insulator

• Thor

What is a circuit?

• A race

• A constant electrical flow

• A functional load

• A path that current can flow upon

Which of the following is a conductor?

• Wool

• Plastic

• Copper

• Styrofoam

The measure of how difficult it is for electrical current to flow through a material, or how obstructed the flow is

• Resistance

• Voltage

• Conductor

• Insulator

Current is...

• Measured in Volts

• Moving Electrons

• Moving liquid

• Moving Protons

A closed circuit is....

• A functioning circuit with a complete path

• A non functioning circuit with a broken path

• A circuit that once worked but has died

• A circuit that is blocked or experiencing excessive resistance

A short circuit, which is a circuit where current can take a path of no resistance straight back to the battery is...

• A complete circuit

• An open circuit

• Possibly dangerous

• A simple way to charge a battery

What size resistor would produce a 3 amp current flow off of a 12 volt battery?

• 4 Ohms

• 1 Ohm

• 12 ohm

• 6 ohms

What is current measured in?

• Watts

• Volts

• Ohms

• Amps

If I have a 24 Volt battery with a 6 Ohm resistor, what is my current flow?

• 2 Amps

• 4 Amps

• 8 Amps

• 12 Amps