Answer / ak

the amount of work done to move a charge from one infinity to a point.

Answer / santhosh kumar

The potential difference between any two point of a circuit

Answer / abdul rahman

In simple terms,imagine how water falls from a height.The waterfall is created by the height difference.If both the levels are same there is no water fall.The height difference is voltage and waterfall is current.
Voltage is the cause and current the effect.
Hence we say 230 or 400V.Thats the potential difference created between two terminals which causes current to flow.

Answer / saqib ziya

it is the energy imparted on each charge

Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

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