Physics
For what purpose are the transformers used? On which type of current do transformers work?
Electro-Magnetism
22 Likes
Answer
Transformers are used to step up or step down the a.c. voltage. They work on a.c. current.
Answered By
14 Likes
Related Questions
State two ways to produce a higher e.m.f. in an a.c generator.
State (i) two dis-similarities, and (ii) two similarities between a d.c. motor and an a.c. generator.
State two factors on which the magnitude of an induced e.m.f. in the secondary coil of a transformer depends.
Name the device used to transform 12 V a.c. to 200 V a.c. Name the principle on which it works.