ELECTRIC CIRCUITS (1)

Electric Circuits- the components + symbols for them: need to know for exam:

• CELL(1)            -  to push electrons around a complete circuit.
• BATTERY (+1) -  2 or more cells
  
• SWITCH     -  enables the current in a circuit to be switched ON or OFF.
• INDICATOR- to emit light when when a current passes through it
  

----0  /___  switch open- current cannot flow 

----0----0--- switch close- current is able to flow 

diodes:

• DIODE- allows current…