Difference between Semiconductors and Insulators

Difference between Semiconductors and Insulators Points : difference between semiconductors and insulators, comparision between semiconductors and insulators, semiconductors vs insulators

Difference between Semiconductors and Insulators Semiconductors Insulators 1. In semiconductor effect of resistance is decrease and effect of temperature is amplify. In insulator effect of resistance is decreases and cause of temperature is increases. 2. They require energy less than insulators and more than good conductors to eliminate an electron from the parent atom. They require extremely large electric field to remove them from the attraction of nucleus. 3. The conductivity of semiconductor is sensible. The conductivity of insulator is very low.

Advantages of a Condenser in a Steam Power Plant

Advantages of a Condenser in a Steam Power Plant Points : advantages of a condenser in a steam power plant

1. The intellect of condensate (i.e. condensed steam) as feed for boiler reduces cost of power making.
2. Temperature of condensate is high than that of fresh water. Thus amount of heat supplied per kg of steam is condensed.
3. It decrease hotness of exhaust steam and thus additional work can be obtained.

Comparison between Jet and Surface Condensers

Comparison between jet and surface condensers Points : Comparison between Jet and Surface Condensers

Comparison between jet and surface condensers Jet Condensers Surface Condensers 1. Condensate is waste. Condensate is necessary. 2. Its maintenance is low. Its maintenance cost is elevated. 3. High power is necessary for water pumping. Less power is necessary for water pumping.

Losses in Transformer and Efficiency of Transformer

Losses in Transformer and Efficiency of Transformer Points : Losses in Transformer and Efficiency of Transformer, List of Losses in Transformer List of Losses in Transformer In a static transformer, there are no friction or winding Losses. Hence the only losses occurring are: 1) Core or Iron loss It includes both hyteresis loss and eddy current loss. Because the core flux in a transformer remains practically constant for all loads (it variation being 1 to 3% from no load to full-load), hence the core loss is practically the same at all loads.

Hysteresis loss Wn = n B¹⁶max fv Watts.
Eddy current loss Wo = P B² max f² t² Watts.

Construction and Working Principle Transformer

Construction and Working Principle Transformer Points : Construction and Working Principle Transformer Working Principle Transformer is a fixed (or motionless) part of equipment through way of which electric power in one circuit is changed into electric power of the similar frequency in an additional circuit. It can increase or lower voltage in a circuit has by a equivalent reduced or enhance in current. The physical basis of a transformer is joint induction among two circuits coupled through a familiar magnetic flux.

Transformer

Transformer Points : transformer definition, types of transformer, parts of a transformer A transformer is a static device of converting ac current at low voltage to high voltage and vice versa at same frequency. The transformer which converts low potential to high potential is called a step up transformer where as the one which converts high potential to low potentials is called a step down transformer.

Difference between Core Type and Shell Type Transformer

Difference between Core Type and Shell Type Transformer Points : difference between core type and shell type transformer, comparison between core type and shell type transformer, core type transformer vs shell type transformer

Difference between Core Type and Shell Type Transformer Core Type Shell Type 1. The core is surrounded by the winding. The core surrounds the winding. 2. Natural cooling is provided. Natural cooling cannot provide.

Bomb Calorimeter

Bomb Calorimeter Points : Bomb Calorimeter, experiment, Definition Bomb calorimeter are main components are bomb, bucket, stirrer, crucible or fuel pan, jacket, thermometer and so on. A identified amount of fuel under inquiry is kept in crucible. Crucible has a electric coil by d.c. supply in it. Bomb is charged by oxygen under pressure. Bomb is surrounded through a bucket contain water to soak up heat released as fuel burn.