Question

What does a transformer do?

a. changes the voltage of electricity leaving a power plant
b. changes the temperature of steam in a power plant
c. cools the water in a nuclear reactor

Answer 1

Mitochondria in animal cells convert energy into forms the animal cell can use. Chloroplasts in plant cells are necessary for photosynthesis, converting sunlight into energy the plant cell can use.

Answer 2

A transformer takes in electricity at a higher voltage and lets it run through lots of coils wound around an iron core. Because the current is alternating, the magnetism in the core is also alternating. Also around the core is an output wire with fewer coils.

Answer 3

The answer is (A) because A transformer takes in electricity at a higher voltage and lets it run through lots of coils wound around an iron core