Inductors Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

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

 
 
 
 

3. What is remanence?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

  1. Please send me electrical, electronics and computer scinece engineering MULTIPLE CHOICE QUESTIONS AND NOTES as pdf to my mail id

  2. 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.

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