why 120 devided with pole and speed multiplication to
determine frequency



why 120 devided with pole and speed multiplication to determine frequency..

Answer / k.prakashchandra

For 1 cycle 1 south pole and one north pole are required,so
divide poles by 2.To convert rpm to rps divide by 60

Is This Answer Correct ?    4 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

What is self exciting?

0 Answers  


My self munna.I had completed diploma from mechanical can I join facility and maintanance companys

1 Answers  


Which motor has high Starting Torque and Staring current DC motor, Induction motor or Synchronous motor?

5 Answers   BSL, Elite, TTA,


Why 9KV surge arrester having 7.65KV of MCOV?

0 Answers  


A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

1 Answers   Jindal,






what is the diffrance between earthing and grounding...?

6 Answers   Essar,


what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

0 Answers  


Main CT ration is 400/5, meter CT ratio is open type: -/5A. What is the Multiplying factor of the meter, considering same PT ratio.

1 Answers  


What is the formula that shows relationship between voltage and speed in an induction motor

2 Answers  


What is the function of under voltage release ?

0 Answers  


Why does a TV set have two pin plug whereas the moniter of a computer has three pin plug? Isn't the earthing protection required for the TV set

2 Answers  


what is the different betweem earthing and neutral?

8 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)