Series and Parallel Circuits

Practice Test
      
  1.Which pair of options below would result in a greater reading on VB in Figure 23-4?  
  a.   increase the battery voltage or decrease RA  
  b.   decrease the battery voltage or decrease RA  
  c.   increase the battery voltage or decrease RB  
  d.   decrease the battery voltage or decrease RB  
  Hint    
      
  2.If in Figure 23-6 resistor D were added in parallel to the other resistors, how would the voltages across resistors A and B be affected?  
  a.   They would both remain the same.  
  b.   They would both decrease.  
  c.   They would both increase.  
  d.   A's would increase; B's would decrease.  
  Hint    
      
  3.Voltmeters must have __________.  
  a.   very low resistance  
  b.   very high voltage  
  c.   very high currents  
  d.   very high resistance  
  Hint    
      
  4.Electrical wiring in homes uses __________ circuits.  
  a.   parallel  
  b.   overloaded  
  c.   voltage  
  d.   series  
  Hint    

 
   
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