Answer / burning fuel

Polarity of CT changes after every half cycle (ac). Nothing
will happen only the direction of the flux rotating in the
iron core will change.

Answer / ujjwol

i think nothing will happen if the polarity of CT is changed..CT basically operates on AC current..

Answer / m.k.k

ammeter reading change. i means needle move from right to left

why the rating of transformer in k.v.a

4 Answers  

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What is the technical reason for adopting color coding of three phase system as RYB.

11 Answers   ABB, ERDA,

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what are the values to be accepted on 3 core 185sq mm for 11000volts on insulation resistance between conductors and between conductors and earthed?

3 Answers  

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what we happen if 400 kvar cpacitor banks are on in manual mode and there is no load on mains ??????????????

7 Answers   HCL, Reliance,

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Why are use 22 kv 3ph supply ?

1 Answers   IOCL,

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What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

0 Answers  

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in three pin plug 6 Amp. 220v AC rating. why earth pin diameter is higher than ohter two pin? what its purpose ?

6 Answers  

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what is principle operation of transformer?

9 Answers  

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What is balance beam relay ?

2 Answers   Roman,

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My ups output shows 230 v between phase and neutral,but show zero between phase and earth.Is the system/installation is correct.If not what will be the possible reasons

4 Answers  

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Why heat produce in AC machine higher than DC machine?

2 Answers  

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why transformer rating is in KVA?

4 Answers   ABB,

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