Schematic Circuits and Symbols

Look at the diagram of a simple circuit. What is the function of the part labeled W?

• causes resistance to electric current

• opens and closes the circuit

• provides an energy source for the circuit

• allows a path for the current to flow

Look at the diagram of a simple circuit. What is the function of the part labeled X?

• causes resistance to electric current

• opens and closes the circuit

• provides an energy source for the circuit

• allows a path for the current to flow

This is the symbol for a 

• Closed switch

• Push switch

• Trap door

• AC Power supply

Which statement is true?

• The light bulb will light up because the  circuit is complete.

• The light bulb will light up because the  circuit is broken.

• The light bulb will not light up because the  circuit is complete.

• The light bulb will not light up because the  circuit is broken.

Which statement is true?

• The light bulb will light up because the  circuit is complete.

• The light bulb will light up because the  circuit is broken.

• The light bulb will not light up because the  circuit is complete.

• The light bulb will not light up because the  circuit is broken.

How does flipping a switch turn on a light?

• It creates a spark.

• It breaks an electrical circuit.

• It generates electricity.

• It completes an electrical circuit.

What is this symbol?

• Cell

• Switch

• Bulb

• 2 cell battery

What is this symbol?

• Cell

• Switch

• Bulb

• Resistor

What is this symbol?

• Switch

• Fuse

• Bulb

• 2 cell battery

This switch is open.

• True

• False