Answer / akash malhotra

The working principal of dc motor is based on faraday's law
of induction.
When a current carrying conductor is placed in magnatic
field it exprieance a torque.

Applications of dc motor are
toys,robotics,Lathes,Drills,Boring mills,Shapers,Spinning
and Weaving machines,Electric traction,Cranes,Elevators,HAir
compressor,Vacuum cleaner,Hair drier,Sewing machine

Answer / savaliya sumit j.

it convertede electricalenergy in to mechenicalenergy.
pump fan etc.

Answer / amritpal singh sidhu

DC Motor Principle: Whenever a current carrying conductor
is placed in any magnetic field it will experience a force.
Uses:- DC motor is used in traction work, toys,high torque,
crane work,elevators, etc.

EXPLAIN WORKING PRINCIPLE OF ALTERNATOR & MOTORS.

2 Answers   L&T,

---

SUTIABLE FOR ohm's law super conductor

0 Answers  

---

can u name the different types of motors used in different types of applications?

6 Answers   ABB, Bhel, SBQ,

---

block diagram of 2 ups system connected in hot stand by mode?

0 Answers  

---

what is the rating of a power transformer?

1 Answers   ACME,

---

---

How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

0 Answers   ONGC,

---

why we use shunt in a rectifier system ?

1 Answers  

---

Define cut-off rate?

0 Answers  

---

in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

---

Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

---

figure of phasor diagram of transformer when full load or no load ?

1 Answers   Swastik, TCS,

---

Atwhat condition reverse power relay will act?

0 Answers   Equate,

---