10 Questions
Transformers are made of ______ and iron, in which each particle is insulated from its neighbor.
nickel
Transformer windings are usually made of ______-insulated copper or aluminum.
enamel
Cooling is achieved by ______ in small transformers and oil in large transformers.
air
The core losses due to ______ and eddy currents are allowed for by resistance R.
hysteresis
The ______ loss is the heating of the core as a result of internal molecular structure reversals.
hysteresis
Low loss ______ iron alloys are used for the core since their hysteresis loops have small areas.
nickel
Eddy current loss is the heating of the core due to ______ being induced in the core.
emf's
The induced emf's set up ______ currents in the core.
eddy
Applications of r.f.transformers are found in ______ and television receivers.
radio
Transformer losses are broadly classified into ______ losses and iron losses.
Copper
Test your knowledge on the construction and equations of single-phase double wound transformers, including the core type and shell type. Learn about the transformer equation, primary turns, and flux calculations.
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