7. Why AC motors, AC bulbs etc... are donot operated by DC signals? and Why DC motors, DC bulbs etc... are donot operated by AC signals?

2 Answers   Bhel,

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what is difference between 3.5 core and 4 core cable

5 Answers   Havells,

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What is relation between mu(nought) and epsilon(nought)?

0 Answers  

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what is the difference between LT & HT Motors

11 Answers   L&T,

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what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?

3 Answers  

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1hp= how much rpm

0 Answers  

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for compensate 315mh inductance ,how many capaciance required?

0 Answers   Mitsubishi,

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current transformer cannot measure voltage or not ? then y we use P.T ?

1 Answers   Bhel,

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why phase & neutral is use in tv? why earthing not use ?

2 Answers  

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Why in India only 50hz frequency not 60hz

2 Answers   Prism Cement,

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What is essential to prove safe isolation of electrical circuit?

0 Answers  

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What is Residual Voltage & Residual Current?

4 Answers  

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