AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/eng-transformer-no-dc

After the switching transient, what does steady DC on a transformer's primary produce at its secondary?

Start playing free

  1. A normal stepped DC voltage
  2. No sustained output voltage
  3. A continuous AC voltage

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Engineer Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. OpenStax College Physics 2e, 23.7 Transformers openstax.org/books/college-physics-2e/pages/23-7-transformers Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

EngineeringAn ideal transformer has 10 times more secondary turns than primary turns. What does it do to voltage?EngineeringChanging magnetic flux passes through a coil. What happens to induced voltage if you double the turns?EngineeringAfter it charges, how does a capacitor behave in a steady DC circuit?

That's stuff everyone should know.