what is Real power and Reactive power ? what is difference between them ?

5 Answers  

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hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 Answers  

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Please define ohm’s law for a.c (alternating current)?

0 Answers  

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what is mean by VCB colour code..???

1 Answers   Student,

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Can we use HRC Fuse inplace of Semiconductor fuse?

1 Answers  

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Can anyone explain about Control and power circuits of star delta starter & DOL starter ? How it works? please!

1 Answers  

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What is the meaning of GRID?

21 Answers  

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If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

0 Answers   ABC,

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wht is an AVO metre. and whre it is used?

1 Answers   Mayflower,

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What is difference between Over Current & Earth Fault protection?

0 Answers   ABC,

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what is meant by the phrase 'static load' in case of shorting in a generator excitation system?

0 Answers  

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how to calculate the over current rating of 3phase motor

2 Answers  

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