The voltage transformation ratio of a transformer is equal to the ratio of
A. primary turns to secondary turns
B. secondary current to primary current
C. secondary induced e.m.f. to primary induced e.m.f.
D. secondary terminal voltage to primary applied voltage
Answer:C
The voltage transformation ratio of a transformer is equal to the ratio of
A. primary turns to secondary turns B. secondary current to primary current C. secondary induced e.m.f. to primary induced e.m.f. D. secondary terminal voltage to primary applied voltage