Inductors Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

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

 
 
 
 

3. What is remanence?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

Question 1 of 10

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

  1. 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.

Leave a Reply

Your email address will not be published. Required fields are marked *