Answer / arun r

its block High frequency signal in to swith yard for eg PLCC communication use high freq ,high freq signal sent to other ss upto wave trap 

Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?

1 Answers  

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What happens to voltage when current through the inductor is constant?

0 Answers  

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sir, is there any ratio,this much of A.C volt is equal to D.C voltage

3 Answers  

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back emf of motor at the time of starting ?

2 Answers  

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What is the exact load current needed for a place which has 100nos of bulb of each 100w?

2 Answers  

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What shall be the minimum distance to be maintained between two power cable in a common trench?

3 Answers  

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Derive the inductance of a coil in terms of its physical factors.

1 Answers  

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In Energy meter How many rotation Equal to one unit.

3 Answers  

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what is the principal of ceiling fan and how it will rotates? what is the magnetic momentum produces inside the fan?

1 Answers  

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can indirect loading be called as phantom loading?

0 Answers  

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To transmit the Power which must be present…? a) Reactance b) Resistance c) Capacitance d) none of above

9 Answers   ABC,

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what will happen if instead of neutral we use earth wire as return conductor?if we can use ,then why we are not using in our day to day appliances?please justify the answer

11 Answers   NTPC, ONGC,

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