what is difference b/w earth and ground?

7 Answers   TATA, TCS,

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what will happen at secondary side of transformer if i increase voltage at primary side?while V1*I1=V2*I2 will secondary voltage or current increase?

2 Answers  

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What is meant by a linear circuit and what is a non- linear circuit?

5 Answers  

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Classical power system stability was mainly focussed on rotor angle stability but modern power system stability has more focus on voltage stability.Why?

4 Answers  

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i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

0 Answers  

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In a Capacitor the electric charge is stored in:

2 Answers   TELK Transformers And Electricals Kerala Limited,

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The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

0 Answers   GATE,

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I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

0 Answers  

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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xlpe cable 4 core nuetral wire is small why ?

3 Answers  

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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 Answers  

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