why should a transformer be never connected to dc supply

5 Answers  

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what use can we make of 3rd harmonic component

5 Answers   Bhel, General Motors GM,

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What is the reasonable voltage between Neutral & Earth of an electrical system for good earthing?

6 Answers   HAL,

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What is the better way of passing 400 amp from sending end to receiving end ? By overhead line or underground cable and why ? if underground cable then how much depth require ?

1 Answers   Aditya Birla, HCL,

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What will hapen if we run generator below 47.6hz frequency?

9 Answers   TATA,

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what is different between installation and commonissonig.

3 Answers  

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can you check the current and voltage of a 12 V battery by a digital multimeter in this fashion that apply the digital multimeter across the battery terminals directly ? say yes or no ... i sais yes ........... is this true or false ? plzz tell me and also explain ........ plzz thanks

4 Answers  

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What will happen when we connect 2 bulbs in series between 2 phases

7 Answers   Pepsi, PowerTech,

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Why using synchronising methed in DG's sets?

0 Answers   Juniper Networks,

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why are we maintaining some specific gravity in battery ?

5 Answers  

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what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

0 Answers  

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what is the transformer turn ratio formula and give some examples?

0 Answers   UPPCL,

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