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

1. A wiper is the sliding contact in a

 
 
 
 

2. Current flows in a circuit when

 
 
 
 

3. 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?

 
 
 
 

4. An ohmmeter is an instrument for measuring

 
 
 
 

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

 
 
 
 

6. A multimeter measures

 
 
 
 

7. A thermistor is a type of

 
 
 
 

8. Electrons in the outer orbit are called

 
 
 
 

9. An ammeter is an electrical instrument used to measure

 
 
 
 

10. Materials with lots of free electrons are called

 
 
 
 

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