Charge and resistance equation

What electrical component measures current?

• Thermistor

• Resistor

• Voltmeter

• Ammeter

What is the definition of electrical current?

• The opposition to the flow of electrons

• The rate of flow of charge

• The work done on each coulomb of charge

• Electrons moving around

Which electrical component measures current?

• 
• 
• 
• 

Which equation links current, charge flow, and time?

• Current = Time / Charge flow

• Charge flow = current x time

• Current = charge flow x time

• Time = charge flow x current

Select all units of current in the list below:

• mA

• C

• V

• A

• m

The current in a wire is 1.2kA. What is the current in Amps?

• 120A

• 12A

• 0.12A

• 1200A

How much charge flows through a wire in 80s if the current is a constant 5.4A?

• 432C

• 360C

• 524C

• 344C

A 3A current flows through a television. How long would it take for 1500C to flow through it?

• 4500s

• 500s

• 50s

• 450s

Resistance is measured in ___. 

• watts. 
• amps.
• ohms.

what is this symbol for?

• light bulb
• switch
• battery
• resistor