what happen when ac motor is connected with dc current

4 Answers  

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What is a differential amplifier?

0 Answers  

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if we give connection of 100watts bulb through a single phase energy meter ,the disc of a meter rotates why it happens?

1 Answers  

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if dc motor can operate by ac supply ? if its possible means how ?

2 Answers  

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How can calculate rotor temperature of the alternator? and is there any method to calculate that

1 Answers  

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What is power focter ?

6 Answers  

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What is the different types of cable & current capacity of cable

0 Answers  

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according to ohms law ,the voltage increases then current is what happened?

4 Answers   NTPC,

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Give me check-list for electrical preventive maintenance of machine tool.

1 Answers  

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How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

0 Answers  

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Transformer's core is made up of which material and why so?

10 Answers   ABB, NTPC,

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Define maximum demand?

0 Answers  

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