what is the difference between megger and earth tester?

28 Answers   Ashok Leyland, IOCL, RRL,

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On a transformer name plate %IZ(%Impedence) is mentioned. What is the meaning of %IZ and how it is calculated?

3 Answers   Ambe Consultancy, Siemens,

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What will happen if 40W and 60W Bulb is Connected in Series.

2 Answers  

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Do you know the faults occurs generally in motors and how to rectify them?

4 Answers  

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To measure insulation resistance of 11KV cable between core & armour, what should be the test voltage & duration?

4 Answers  

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What is working principle of ACB and VCB?

9 Answers   Greenko, HCC,

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what is real and reactive power?

2 Answers  

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How Arc Extinguish in Minimum oil circuit breaker and What is the function of Radial and axial vents of turbulator in Minimum oil circuit Breaker Where these vents are exists.

1 Answers  

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What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.

1 Answers  

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what is the star delta connetion and how can do it a three phase motor with control witing with picture

0 Answers   Aurobindo, SA Kent, Wipro,

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Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection

6 Answers   Reliance,

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Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?

3 Answers   Vijai Electricals,

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