When batteries are connected in series the voltage increases but the current remains unchanged, how can this be? When you consider ohm's law. i.e. If voltage increases, current increases, providing resistance remains the same.

10 Answers  

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what happen when dc supply is given to the transformer

9 Answers   Bhel,

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define main transformer?

7 Answers  

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please describe the Transformer setting, Motor setting, I/C setting, Tie setting

0 Answers  

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how to calculate the bus-bar size. give formula with description

1 Answers  

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what is anti-pumping relay and the significance of it in a switcgear cb control system?

1 Answers  

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Dear sir,how should i set the relay in star delta starter..say ex i am having 4ohp motor,,wht should be the relay setting...?

4 Answers  

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Why we use neutral cable just half from phase cable.Tell me briefly,please.

4 Answers  

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What Should be the rating of transformer used in 33KV substation?

3 Answers  

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How we can defined theecopper cable size if we know the aluminium cable size?

0 Answers   Cummins,

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How many earthings are required for commissioning the Transformer?

14 Answers   Dalmia Group, HSL,

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why high voltage is reqiured or L.T. panels? what type of tests should be taken for electrical panels?

2 Answers  

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