how we can find out the speed of fan without using any measuring instrument

2 Answers  

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CORRECT INFORMATION ABOUT TRANSFORMERS,what actually transformer is?

6 Answers  

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What is Biased Generator Differential Relay?

2 Answers  

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Does frequency change with increasing voltage i.e 220v to 11kv? explain if not?

6 Answers  

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testing of transformer

1 Answers   Vijai Electricals,

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What is BUCKBOOST TRANSFORMER and Operation of Buckboost transformer?

4 Answers   Voltamp,

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requirements for making parallel operation of Uninterrupted power supply

2 Answers   Emerson,

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Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

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Differentiate between magnetic field and magnetic flux?

0 Answers  

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How does a television work?

0 Answers   Siemens,

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why PT transformer primary r the grounded?

2 Answers   L&T,

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How to calculate 33 kv panther conductor line losses.

1 Answers   Construction, Orange,

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