Trending EMF Discussions

What is electro-motive force (emf) or voltage and potential difference (P.D)?‎

EMF - It is the pressure that moves the electrons to flow in any conductor. It is also known as electromotive force voltage. Its symbol is ‘E’ or ‘V’ and measuring unit i‎ ... See More

Why is back EMF used for a DC motor? Highlight its significance. ‎

I think EMS rather employs available designs and technologies for improving these systems, to control/minimize pollution aspects etc.‎

A 4c cable is connected to a 3wire motor.?‎

A4c cable is connected to a3wire motor, with1C connecting to the earth on both side. Will there be a current flow or voltage with in the fourth core?‎

 

Answer added by  laid hamli, Certificat d’État Cadre etudes techniques (Maint), Sonatrach des Hydrocarbures
6 years ago

la force electromotrice (f,e,m) est un des parametres caracteristique d'un generateur electrique elle est,contrairement a ce qu'indique son nom, homogene a une ... See More

 

Answer added by  Muhammad ihtasham Anwar, Sr.Supervisor, Sapphire finishing mill
7 years ago

A IS STAND FOR QUALITY ASSUARANCE , QC STAND FOR QUALITY CONTROLLING,QA IS PROCESS ORIENTED , WHILE QC IS PRODUCT ORIENTED.

 

Answer added by  farah ahmad, Financial admistrative, Najdeh Association
7 years ago

Electromotive force is the electric current produced by any advice.

 

Answer added by  Hazrat Ali, PLANNING ENGINEER, BCES
8 years ago

When the armature of a d.c. motor rotates under the influence of the driving torque, the armature conductors move through the magnetic field and hence e.m.f. is induced i ... See More

 

Answer added by  Muhammad Shan Muhammad Shan Buriro, TRAINEE ENGINEER, HSM NAWABSHAH
8 years ago

Electromotive force, also called emf (denoted E and measured in volts), is the voltage developed by any source of electrical energy such as a battery or dynamo