A. less than 15 A
B. more than 15 A
C. 15 A
D. none of the above
Month: June 2018
A. same efficiency
B. same polarity
C. same kVA rating
D. same number of turns on the secondary side.
A. unity
B. lagging
C. leading
D. zero
A. approximately equal to one
B. less than one
C. great than one
D. none of the above
A. hysteresis losses
B. copper losses
C. core losses
D. eddy current losses
A. its power factor will deteriorate
B. its power factor will increase
C. its power factor will remain unaffected
D. its power factor will be zero
A. hysteresis losses
B. copper losses
C. core losses
D. eddy current losses
A. iron core
B. copper winding
C. winding insulation
D. frame or case
E. transformer tank
A. primary is supplied rated voltage
B. primary is supplied full-load current
C. primary is supplied current at reduced voltage
D. primary is supplied rated kVA
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
