What is rotating transformer? Which machine is used specifically as rotating transformer?

3 Answers   TATA,

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for high freq ac,why we first convert AC to DC and then DC to high freq.AC

0 Answers  

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what is the purpose of starter in tube light?what is it operation .

1 Answers  

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Why the field rheostat is adjusted such that the voltmeter reads 380V

0 Answers   SRM University,

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WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

0 Answers   L&T,

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In Ferantti Effect Receiving end voltage is greater than sending end voltage but how it is possible. I know its all about charging current but give me some more detailed explaination?

3 Answers  

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what are upstream faults and downstream faults in power system

2 Answers   Sreetech,

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How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

1 Answers   HAL,

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what is the principle of switchgear and its function

1 Answers  

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How will earthing is making for Aeroplane?

5 Answers  

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Differentiate between voltage and current feedback in amplifiers?

0 Answers  

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Please brief what is sinewave

0 Answers   Deccan Cements,

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