Physics
State two factors on which the magnitude of an induced e.m.f. in the secondary coil of a transformer depends.
Related Questions
State (i) two dis-similarities, and (ii) two similarities between a d.c. motor and an a.c. generator.
For what purpose are the transformers used? On which type of current do transformers work?
Name the device used to transform 12 V a.c. to 200 V a.c. Name the principle on which it works.
Name the coil of which the wire is thicker in a (i) step up, (ii) step down transformer. Give reason to your answer.