Answer / minal

power cables are used to carry high ac currents, whereas
control cables are DC operated & ore used in control cables

Answer / minal verma

power cable carry constant current & thus get heated up.
while control cable carries variable current so doesnot get
heated up.

Answer / ravi_myla

control cable consists of a sleve of aluminium strandards
which will protect the signal through the conductor from
external noise and magnetic disturbance.
the same is not there in the power cable.

Answer / guest

power cable-armoured controle cable- unarmoured

Transformer type...??

1 Answers  

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what is effect of unbalaced load -- say R 15A, Y 25A, B 10A

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Do closed loops systems require manual input?

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can we done C.T.sc at output? if yes y,if no y?

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What happens when the polarity changes in CT? Explain briefly?

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limitation of conductor height on ground when we consider EMC

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why we maintain 50hz ,220volts,20Amp,ratings fixed every where in india,,electricity

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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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