Electric Current
Define electrical potential energy

 

Give two examples of electrical potential energy
 
 

Define potential difference -
 

What is electrical potential difference measured in?
 

Give examples of common things that have voltage:
Example:voltage:
 
 
 

Define cell -
 

How does an electrochemical cell work?
 

Give an example of an electrochemical cell.
 

How does a photoelectric cell work?
 

Give an example of a photoelectric cell.
 

How does a thermoelectric cell work?
 

Give an example of a thermoelectric cell.
 

How does a piezoelectric cell work?
 

Give an example of a piezoelectric cell.
 

Define current

What is current measured in?
 

Define resistance -
 

What is resistance measured in?
 

What is the resistance equation?
 
 

What is the resistance of a lantern that uses a 24 V power supply and draws a current of .80 A?
 
 
 

If a 1.5 V battery is connected to a small light bulb with a resistance of 3.5 ???, what will be the current in the bulb?
 
 
 

What is a superconductor?
 

Give two example applications for superconductors.
 
 

What is a semiconductor?
 

Give two example applications for semiconductors.
 
 
 
 


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