PS 4.2 CURRENT

Metals such as copper and aluminum are good ______________. 

• insulators
• conductors
• circuits
• charges

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

Current is...

• moving protons
• moving electrons
• measured in volts
• measured in ohms

The two types of current are...

• AC/DC
• Alternating Current
• Direct Current
• All of the above

Voltage is simply defined as...

• what 'pushes' electrons
• what 'stops' electrons
• moving electrons

Good conductors are _______ resistors

• bad
• good

Good insulators are _______ resistors

• good
• bad

In the U.S most electrical outlets supply a voltage of....

• 240 Volts
• 120 Volts
• 100 watts
• 60 amps

___________ wires keep electrons on course & protect us from the dangerous flow of electricity. 

• Insulated
• Conducted

An electric current that continually reverses direction over time is known as a(n)

• direct current

• alternating current

• simple current