why there is a humming noise in transformer

8 Answers   Bhel,

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how the harmonic pluses take place in the flow of current

2 Answers  

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why stay insulator is not used with stay wire for 11kv Lines. Whereas it is used for LT lines ?

2 Answers   Essar,

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How many gap between finger contact in a.c.b. and v.cb.?

0 Answers  

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how withstand of hi-pot test outputs of transformer wire 2.5mm

0 Answers  

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A current of 2A flows for 10 hour through a 100 ohm resistor. The energy consumed by the resistor is:(a) 0.5 kWh(b) 4 kWh(c) 2 kWh(d) 0.02 kWh

3 Answers  

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Why voltmeter is not connected in seris & ammeter connected in parallel ?

5 Answers  

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What is pole slipping relay? When it is operated?

2 Answers   Aditya Birla,

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What are the two basic types of transformers?

0 Answers  

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How to select the Cable size for 550 Amps Load without seeing the cable Catalogue?

8 Answers   Nesma,

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what is the difference between 11kv and 13.8 kv? why we can't used one of these 2 sources?

2 Answers  

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Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m

0 Answers  

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