Podcast
Questions and Answers
Transformers are made of ______ and iron, in which each particle is insulated from its neighbor.
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.
Transformer windings are usually made of ______-insulated copper or aluminum.
enamel
Cooling is achieved by ______ in small transformers and oil in large transformers.
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.
The core losses due to ______ and eddy currents are allowed for by resistance R.
Signup and view all the answers
The ______ loss is the heating of the core as a result of internal molecular structure reversals.
The ______ loss is the heating of the core as a result of internal molecular structure reversals.
Signup and view all the answers
Low loss ______ iron alloys are used for the core since their hysteresis loops have small areas.
Low loss ______ iron alloys are used for the core since their hysteresis loops have small areas.
Signup and view all the answers
Eddy current loss is the heating of the core due to ______ being induced in the core.
Eddy current loss is the heating of the core due to ______ being induced in the core.
Signup and view all the answers
The induced emf's set up ______ currents in the core.
The induced emf's set up ______ currents in the core.
Signup and view all the answers
Applications of r.f.transformers are found in ______ and television receivers.
Applications of r.f.transformers are found in ______ and television receivers.
Signup and view all the answers
Transformer losses are broadly classified into ______ losses and iron losses.
Transformer losses are broadly classified into ______ losses and iron losses.
Signup and view all the answers
