A. core loss
B. copper loss
C. efficiency
D. magnetising current
E. magnetising current and loss
Month: June 2018
A. Circular type
B. Sandwich type
C. Cylindrical type
D. Rectangular type
A. insulation resistance
B. copper loss
C. core loss
D. total loss
E. efficiency
F. none of the above
A. mica strip
B. thin coat of varnish
C. paper
D. any of the above
A. hot because of heavy iron losses taking place in it due to high flux density
B. hot because primary will carry heavy current
C. cool as there is no secondary current
D. none of above will happen
A. copper loss becomes high in proportion to the output
B. iron loss is increased considerably
C. voltage drop both in primary and secondary becomes large
D. secondary output is much less as compared to primary input
A. temperature rise
B. dielectric strength of oil
C. voltage ratio
D. copper loss
A. load changes
B. oil in the transformer
C. magnetostriction
D. mechanical vibrations
A. core
B. windings
C. tank
D. any of the above
A. poor insulation
B. Overload
C. loose connections
D. Core saturation
