why can't we provide dc supply to a transformer?

2 Answers  

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WHY WE NEED AUTO TRANSFORMER,WHERE WE CAN USE?

5 Answers   L&T,

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neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 Answers  

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How many types of electric motors are there?

0 Answers  

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Why generator field rheostat is set to maximum position and motor field rheostat is set to minimum?

5 Answers   Bhel, College School Exams Tests, TCS, Texas,

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what is the relation between size of the anteena and wavelenghth of radiated wave

0 Answers  

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When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is

0 Answers   Caterpillar,

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what is MFD value in capacitor?I have 201 Kva load & reactive power is 150 Kvar. so how it is calculated?

2 Answers   IIT,

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What is a difference between indoor transformer and outdoor transformer of same rating

0 Answers   Suzlon,

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i am getting to neutral earth voltage zero ,is this a perfect earthing ?

3 Answers  

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whatis the test procedure for lightning arrester which was installed one year back. i want check it whether it is working or not.

1 Answers  

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A heater capacity is 3.0 KW on 415V . if supply voltage is 380Volt . what is heater capacity on 380volt . and how calculate and give formulas . Prakash veer singh Roto power Engg.

5 Answers  

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