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A transformer in an electric circuit serves to _____.

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the transformer room  the main switchboard  the engine room  the accommodation"  
if    since    because    even though  
if    since    because    even though  
wonderful    exciting    awful    interesting  
wonderful    exciting    awful    interesting  
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electrical; electric    electrical; electrical    electric; electrical    electronic; electric  
compared with those in the torpedo, the working system of electric plates in the eel is more direct and efficient  compared with other electric fish, the eel possesses much more electric plates  the working system of the electric plates in the eel is far inferior to those in the torpedo  the working system of the electric plates in the eel is the most effective  
excessive purging before lighting off  insufficient trail for ignition period  a faulty transformer in the ignition circuit  insufficient purging before lighting off  
Frequency meter  Ohmmeter  Induction voltage regulator  Current transformer governor  
if    since    because    even though  
TRANSFORMER  EVAPORATOR  SENSOR  RELAY  
if    since    because    even though  
Transducer  Reducer  Transformer  Rectifier  
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A. appreciated    enjoyed    won    seized  

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