Answer / kapil

for the same power.p=v*i.this is why as voltage increases current decreases

Answer / simon peter

Bcs R=V/I (acc to ohm's law)

Answer / 7873269919

Because in an transformer input power is greter than the
output power or they are equal,so that if we increase the
voltage the current will decreases & vice versa.

Form S and "c" license application both are same? @ tneb portal

1 Answers  

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Motor and transformer working with same principle so why motor rotates while transformer not?

7 Answers  

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Why HT motor of 3.3 kw or 6.6 KV, one side foundation ( mostly non drive end ) keep insulated from ground ?

2 Answers  

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In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?

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what is power factor

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What is self exciting?

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difference between analog pressure gauge & digital pressure gauge?

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what about the input current fan when regulator regulates to speed low?

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why we are having many type of vector group in the transformer ,what is the use of it?

2 Answers  

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we change the speed of the synchronous motor by incresing or decreasing a rotor resistance

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difference between a four point starter and three point starter

9 Answers  

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how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

1 Answers   Vatika,

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