Answer Posted / rajesh tokalapudi

when a dc motor is connected to a ac supply it will run
with reduced efficiency.in case of ac reactance will comes
into picture.so,increased losses due to inductance.and
there is sparking at brushes.motor will run with reduced
speed.

why US countries maintains 110v and 60HZ

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1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

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How to check the LM324 Ic

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how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???

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in 132kv substation CRT means

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where lt & ht capacitor used

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what ispositive, negative, zero sequence impedence?

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1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

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What is servo motor and what are different types of servo motor

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i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

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what are the available sizes of pin type terminal lugs in the market today?

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what is meant by brushed alternator & its working principle ?

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how to decide the panel size like MDB ,SMDB PANEL SIZES

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Explain about c.t?

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