Difference between drift current and diffusion current?

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sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

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A genarator is connected through a 20MVA ,13.8/138 KV stepdown transformer to a transmission line. at the reciving end of the line a load is supplied through a step down transformer of 10MVA,138/69 KV rating .A 0.72 PU load evaluated on load side transformer ratings as base values ,is supplied from the above system for system base values of 10 MVA and 69 KV in load circuit the value of the load in generator circuit will be ...........

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Can we install and run MCCB suitable for 440v 3Phase 4wire system, on a 220V 3Phase 4Wire System.

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As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

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Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

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Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

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Difference between EDO and MDO breakers?

10 Answers   ACB,

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what is the difference between transformer and amplifier ??

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The transformer which is smallest in size is and how to calculate that? The options are 100 KVA, 50 Hz 100 KVa, 100 Hz 100 KVA, 25 Hz 50KVA, 25 HZ

4 Answers   Ranbaxy, Zee Laboratories,

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is the surge effect the solar panel, if yes so tell me how can surge effect the panel? explain brifly

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what is meant by phase &line voltage, how its differ from each other ?

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