Inductors Online Test – Multiple Choice Questions and Answers

1. As a generator armature passes the 270 degree point, the induced voltage is:

 
 
 
 

2. A utility pole transformer used to supply a residential customer with two phases uses:

 
 
 
 

3. With 100 Vac applied to the primary of a transformer so that it draws 500 mA, what will be the 300 Vac secondary current?

 
 
 
 

4. When a coil collapses the induced circuit current will:

 
 
 
 

5. Which coil would be used as a step-up transformer primary if coil number 1 has 100 more turns than coil number 2?

 
 
 
 

6. What is remanence?

 
 
 
 

7. A change of one ampere per second in an inductor that induces a voltage of one volt is considered as which unit value?

 
 
 
 

8. If the primary of a 4:1 turns transformer dissipates 5 W, what is the secondary power?

 
 
 
 

9. If you wanted to decrease the inductance of a coil, you might increase the:

 
 
 
 

10. When an electromagnet reaches maximum strength, it is considered to be:

 
 
 
 

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16 thoughts on “Inductors Online Test – Multiple Choice Questions and Answers”

  4. Thank you so much for such a great useful q&a.
    Please send me all these pdf’s of electrical and electronics and networking .

    Thank you so much.

    Reply

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