Wha is commutator, Physics

Assignment Help:

Commutator:

The commutator is a form of rotating switch placed among the armature and external circuit and so arranged that it will reverse the link with the external circuit at the instant of every reversal of current in the armature. It having of a series of hard drawn copper bars or segments arranged side- by -side forming a cylinder and insulated from every other by mica segments. 

 


Related Discussions:- Wha is commutator

Explain gravity of the car, A 150-kg roller-coaster car climbs to the top o...

A 150-kg roller-coaster car climbs to the top of a 91-m-high hill. How much work is completed against gravity as the car is lifted to the top of the hill?

Heat engine in a typical fossil fuel power plant, Draw a picture of the hea...

Draw a picture of the heat engine in a typical fossil fuel power plant and explain how it works. 1.      ___________ is a measure of the electrical potential energy per free ele

Evaluate the height to which the water rises., In a very large closed tank ...

In a very large closed tank the absolute pressure of teh air above the water is 6.01x 10^5 pa. The water leaves the bottom of the tank through a nozzle that is directed straight up

.heart, name 3 things that will change how many times your heartbeats per d...

name 3 things that will change how many times your heartbeats per day..

How is temporal coherence key of characteristics of laser, How is temporal ...

How is temporal coherence key of characteristics of laser? Temporal coherence: This coherence is a measure of the correlation among the phases of a light wave at various poi

Define hydrogen rocket, Define Hydrogen Rocket? The reaction chamber ...

Define Hydrogen Rocket? The reaction chamber of a rocket engine is supplied with a mass flow rate m of sufficient oxygen and hydrogen to allow complete burning of the fuel an

MODERN OPTICS, DERIVATION OF ANGLE OF DEVITAION

DERIVATION OF ANGLE OF DEVITAION

Heat engines.., which one of the following engine has thr highest effecienc...

which one of the following engine has thr highest effeciency carnot engine or rankine engine or otto engine?

Soecific heat capacity, A lead bullet moves horizontally with a velocity of...

A lead bullet moves horizontally with a velocity of 130 ms-1 and embedded into a cement wall after collision. If the specific heat capacity of lead = 130 JKg-1°C-1 and all heat pro

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd