Answer / [pp

to reverse the current through the rotating coilseach half
turn or to step up the voltage frm the electrical sourceor
to convert the motor into an

Answer / saravanan

in dc motor commutator converted AC to DC
it is also used to collect the current from the winding

Define current?

14 Answers  

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what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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What is pole of the system?

0 Answers  

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what is the working principle of DC generator ?

10 Answers   DRDL, HCL,

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how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

1 Answers   ACC, Bhel,

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Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?

1 Answers  

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what is difference between ac1 and ac3 contactor and why it is needed to be selected?

1 Answers  

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How to select a D.G set for calculated load of 110kW..?

7 Answers   Shakthi Power Systems,

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what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

0 Answers  

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hello, I need to know exactly what happen in the motor while it is connected to the (star/delta) starter, mechanical and electrical. Thaks for answering

3 Answers  

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what is the technical diffrences of mccb and acb

11 Answers   TransWorks,

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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