Test 2 Review

A material in which electrons are able to move easily is called

• Insulators
• Conductors

Which on the following is NOT an example of an insulator.

• Rubber
• Glass
• Penny 
• Wood

What is the unit of measurement for current

• Ohm's
• Amperes
• Volts

What it the formula to find voltage. 

• I= V/R
• R=V/I
• V= I x R 

What kind of circuit does the picture show?

• Series Circuit
• Parallel Circuit

What kind of circuit does the picture show?

• Series 
• Parallel

What is the unit of measurement for resistance?

• Amperes
• Ohm's
• Volts

Voltage difference is related to the force that causes electric charges to flow. 

• True
• False

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms

Tags

CCSS.7.NS.A.1C

What is current measured in?

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