Why Capacitor & ignator used in MH lamp

2 Answers   Bell,

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What is the slip speed?

0 Answers  

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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what happens if number of poles in stator and rotor windins of slip ring induction motor are not same. Will it rotate near to the synchronus speed defined by stator?

1 Answers   GATE,

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how to reduce earth resistance in sandy soil.

1 Answers  

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how to calculate knee point voltage for pt?

1 Answers   Amec,

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what is cogging? how it can be controlled?

1 Answers   HCL,

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Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

0 Answers  

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Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

0 Answers  

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why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?

2 Answers   INEL, Siemens,

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How to size Air Circuit breaker (ACB)? What is the most important factors?

0 Answers   ABC,

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Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?

4 Answers  

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