40 TOP VOLTAGE, CURRENT and RESISTANCE Online Test – Multiple Choice Questions and Answers

1. A thermistor is a type of

 
 
 
 

2. A wiper is the sliding contact in a

 
 
 
 

3. Electrons in the outer orbit are called

 
 
 
 

4. When the current is 2.5 A, how many coulombs pass a point in 0.2 s?

 
 
 
 

5. A multimeter measures

 
 
 
 

6. An ammeter is an electrical instrument used to measure

 
 
 
 

7. If there is 6 A of current through the filament of a lamp, how many coulombs of charge move through the filament in 1.75 s?

 
 
 
 

8. An ohmmeter is an instrument for measuring

 
 
 
 

9. Current flows in a circuit when

 
 
 
 

10. Materials with lots of free electrons are called

 
 
 
 

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