it is clear that volts equal to the current as per ohms law. is it appliable to the AC power or only for DC. if it is appliacable to AC in transformers when voltage increases the voltage decreases ????? why??????????????

13 Answers   Bhel,

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when a airgap of the induction motor gets larger does it draw more current ??? does it power factor gets lower?

3 Answers  

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Can we use same copper cable for both AC & DC power.

3 Answers  

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How one can say about a device (e.g: a light holder contains 20 or 30 L.E.Ds which glows when power supply is off, from which source they are getting the supply..... battery or capacitor) without removing and opening up its case ?

1 Answers   CMC,

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why conductors of low tensile strength 1)produce greater sag and 2)can not be used for larger spans

1 Answers  

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Why do we mix soda with water in LRS?

1 Answers  

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Why the CT Secondary is rated as 5A generally?

2 Answers  

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Rccb trip or not with out neutral connect in three phase welding machine

1 Answers  

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what are the duties of commutator in motor and generator?

6 Answers   L&T,

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tell me the operation of ELCB. How it detects a fault?

4 Answers  

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what is polarity in ac system? and how do identified?

1 Answers  

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Block diagram of Power line communication?

0 Answers   CIL, VIP,

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