Answer / harvansh kumar

Formula
           
               I=P/Vcos¢

In a transformer ,when voltage decreases current increases. but this is a violation of oms law.why?

15 Answers  

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Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

0 Answers   DAE,

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why we use sinosidal voltage / current instead of others in system?

0 Answers  

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how does an energy meter works?

4 Answers  

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What is maximum AC & DC transmission voltage in India? and where?

12 Answers  

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what is the difference between 3 phase 3wire &3phase 4 wire meter?what is the advantage of 3p3w over 3p4w?

1 Answers   L&T, MahaDiscom,

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Reduction in supply voltage by 10% will change the torque of the motor by ___.

1 Answers   UGVCL Uttar Gujarat Vij Company Ltd,

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What is the name of powder which is used in inner side of a cable? and purpose?

1 Answers  

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After synchronizing the running generator with grid, the avr getting tripped and the generator breaker also oettong tripped, before tripping the avr the pf meter of generator is showing leading pf please kindly give a suggestion to rectify this problem.

2 Answers   Thermax,

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What is RSS Meter

0 Answers   Krishna Constructions,

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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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why there is a humming noise in transformer

8 Answers   Bhel,

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