how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

0 Answers  

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What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr

0 Answers  

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What are safety device in vcb and acb?

0 Answers   IOCL, L Usine Fashion,

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How can you limit the fault level in a power system?

1 Answers   Alfanar,

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what is unit of inductance

12 Answers   Bhel, Bosch, OSML, Vijai Electricals, Voltage,

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We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

0 Answers   MSEB,

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How can i calculate heat load ?

3 Answers   DSSR, NSN,

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Radio Carbon dating is used in a) find diseases b) find the age of relics c) find the carbon content in the atmosphere d) none of these

2 Answers  

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explain remenance . differentiate high remenance type ct & low remenance type ct

0 Answers   Coca Cola,

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What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

0 Answers  

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no of rotrs poles in salient pole synchronous machine

3 Answers  

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what is surge suppressor?

5 Answers   Essar,

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