Electric Circuits
What is an electric circuit?

 
 

What is a schematic diagram?
 
 

Draw the symbols for the following:

wire

resistor

light bulb

battery

switch (open)

switch (closed)
 

Draw the circuit on p447 and then draw the schematic of it.
 
 
 

What is a series circuit?
 
 

What is a parallel circuit?
 

Draw a series circuit.
 
 

Draw a parallel circuit.
 

What is the electric power equation?
 
 

What is the power rating of a heater that requires 29 A of current at 120 V to heat a room?
 
 

What is the current in a bulb that requires 120 V with a power rating of 75 W?
 
 
 

What is a fuse?
 
 

What is a circuit breaker?
 
 

How is a fuse different than a circuit breaker?
 
 
 

Review:

If you had a garden hose…

Voltage would be analogous to:

Current would be analogous to:

Resistance would be analogous to:


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