WONDER #1533: What Is a Transformer?

Question 1 of 3

Transformers change the what of electricity?

  1. frequency
  2. amplitude
  3. pressure
  4. voltage

Question 2 of 3

Transformers only work with what kind of electric current?

  1. alternating
  2. direct
  3. oblong
  4. obtuse

Question 3 of 3

When a fluctuating electric current flows through a wire, it generates a what?

  1. force field
  2. magnetic field
  3. loud sound
  4. lightning bolt

Check your answers online at https://www.wonderopolis.org/wonder/what-is-a-transformer.