where would be tap changer in transformer & why?

2 Answers   Kentz,

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why current flows from +ve to -ve terminal

7 Answers  

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can we use optical fibre to electrical power transmission ?

1 Answers  

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why causes the burnt of AC Electrical Motor ?

9 Answers  

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power is the product of voltage and current.so we can measure the value of power just by using ammeter and voltmeter.......then why do we use a wattmeter?

5 Answers  

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ouestion for the post of section engineer

1 Answers   BSNL, RRB,

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How many types of circuit loads are there in a common electrical circuit?

0 Answers  

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what are the type of motors

3 Answers  

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why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

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In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

3 Answers   Eskom, SSC,

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what is resistance

6 Answers   AITM,

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Why sometime i receive GCU fault /Excitation voltage loss in my Generator Synch Panel .

1 Answers  

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