v=r*i this means when voltage increases current also increases at constant resistance.... p=v*i this means when voltage increases current decreases to maintain the power constant which one is true...

3 Answers  

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why in a transformer frequency remains constant? if frequency is changing what will happen?

5 Answers  

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how much excitation voltage required to generate 1mw power?

0 Answers   Saudi Oger,

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How they LT panel busbar size choose

0 Answers  

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please send me previose rrb junior engineer qustion papers

0 Answers   RRB,

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what is slip resistance? how much its value in 110 kw motor? why voltage is varied in vvvf drive ?

1 Answers   Reliance,

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what is the function of turbo charger in disel generators

1 Answers   Kirloskar,

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The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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why do we need transformers?

12 Answers  

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What is IDMT? What is the principle

3 Answers  

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How to select power cable for machine

4 Answers  

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what is ph test in coolent cheking

2 Answers  

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