how to find the transformer effiiency

3 Answers   Bosch,

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What is the starting current of a motor?

3 Answers  

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what are carbondioxide and dcp used in fire extinguishers

0 Answers  

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Hi Everyone ! My Name is Hakim ullah khan please i need formula of Cable Rating because i want to calculate by self without check any Table Chart... Thank you.....

0 Answers  

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What is a charge.?

4 Answers  

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How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

0 Answers   Apollo,

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WAHAT IS ELECTRICITY

5 Answers   Vijai Electricals,

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Why 268hp induction motor taking different current in three different phases? (In which two phase having same current and one having higher value compare to other 2 phases.)

1 Answers  

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How to calulate Voltage Drop for perticular lentgh of busbar (Cu/ Al)?

1 Answers  

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What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

0 Answers  

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in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers   GATE,

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In a overhead system why the voltage between line &ground is taken for basic comparison ?and in case of underground cables the comparison take only by the voltage between cables?

1 Answers   L&T,

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