How a torch works


 
a)  The diagram above represents a torch. 
     Complete the table by explaining the function of the different parts of the torch.
 
PART FUNCTION
CELL      
METAL CONE      
METAL STRIP      
SPRING  
SWITCH  

b)  Using standard symbols, draw a circuit diagram to show how this torch works.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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