Answer / prashant

refer BL THERAJA VOL2

Answer / samarjit gope

transformer working on mutual induction

Answer / t.k.

Trasformer workes on the law of faraday emf= -dǾ/dt or you
can say principle of maganitic induction.

Answer / zahid

transformer works on the principal of mutual induction.That
is a changing currrent n one coil induce an e.m.f in another
coil.

Answer / vasudeva rao

transformer mainly works on the mutual induction principle.
if primary gets excited with supply the winding itself
induces flux, these flux links with windings produces emf
in primary these primary flux links with secondary winding
and produces emf according to the mutual induction
principle.

what is the mechanical safety of DG ?

0 Answers  

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Why ideally the internal resistance of voltmeter should be infinite and of an ammeter be zero

2 Answers  

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In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

1 Answers  

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What is the difference between switch gear and control gear ?

2 Answers   QU,

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We have two 1 phase heating coils having same resistance of 25ohm, but during operation one takes 3A and other 6A Is it posiible Pls. explain

5 Answers   Bhel,

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whay we used silica gel in Transformer

3 Answers  

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Sir I hv to fix 20 ton ac how much electrical power need apply?

1 Answers   Sealand Restaurant,

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in ac system the current wave form becomes zero for every half cycle then how can we get continuous supply can any one answer to this plsss

2 Answers  

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Is it necessary to seperate the DG earth grid with Electricity Board earth grid for protecting the DG set. if yes why?

2 Answers   BARC,

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wat is the difference between rotor 1st stage fault and 2nd stage fault?

3 Answers  

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1. What is the difference between ac induction motor and ac synchronous motor?

11 Answers  

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why PD testing for power cables

1 Answers   Bhushan Power Steel, CSE, Datre Corporation,

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