WHY R USE IN BRUSH IN THE MOTOR?
Answers were Sorted based on User's Feedback
Answer / mitul vekaria
brush lubricate and polish the commutator
it also collect the current
alrge cross section area of burh helps to reduce
relctance
| Is This Answer Correct ? | 8 Yes | 1 No |
Answer / jagadeesh k
in motor the brush is used to get unidirectional torque
in generator the brush is used to get unidirectional current
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / prasanth ram
to reduce the sparks that is to be produced during
commutating conditions
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / karthick
in order to inject emf for slow down to rated speed
| Is This Answer Correct ? | 1 Yes | 6 No |
what will happen if we double the input frequency of a transformer keeping the voltage constant?
what is the difference between ac drives and dc drives?
Why silica gel use?
I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com
im electrical engineer, could any one help me for FEWA exam questions please ?
1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks
why the neutral line is not giving shock to us if we touch it ?
What type of DC motor would you see for a lift?
it is possible to run 130V AC and 230 V AC cables run in same tray
how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 1993.WORKING IN PVT COCERN LT LINE.PLEASE ADVISE ME .CELL NO 9994786021
Dear sir, I am working in wind mill division , pls explain Pls explain in details with formula My question is Wind speed 3.5 M/s Gen RPM is 1500 ( 25 K/w Production ) Wind speed 12 M/s Gen RPM is 1500 ( 220 K/w Production ) Why in 3.5 m/s generation was low , why in 12 m/s generation was high , Pls dont explain wind force or wind density , that one already i know For the above question RPM was same why the KW was different Answer : 1. Its depends on the density ( Force ) of the air Sir , Pls explain wit Formula sir
what are ABCD curves in MCBs and how we observe that curves?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)