Answer / dr rajan

Moving coil instruments work on magnetic repulsion. Moving
Iron instruments work on repulsion based on charge
polarization.

How can we calculate the rating of a cable with formula?

2 Answers   TATA,

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how to syncronize two dg sets

3 Answers  

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If 110V DC Coil Contactor taken 15ma DC on load,than how much AC current wil be taken?

0 Answers   Lafarge, Shree Cement,

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What is the working principle of MIG welding? and its out put Voltage?

0 Answers   L&T,

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which bridge is used to measure frequency?

2 Answers  

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why cannot we use a freuency more than 400hz is used in aircrafts?

1 Answers  

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what is the speed of current?

29 Answers   Su Kam, TATA,

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Bus-bar is made of which material & name of mostly used material in bas-bar design ?

7 Answers  

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What is fault.?

2 Answers   AngloGold Ashanti, MNC,

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BSNL TTA EXAM QUESTION

0 Answers   BSNL,

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Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

0 Answers   Legrand,

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pls give me brif explaination about the distance relay.

4 Answers  

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