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

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