if the length, number of turns and area of coil are doubled then inductance of the coil becomes.?

1 Answers  

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How to control the dc motor in ac supply without thyristor circuit?

2 Answers  

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Is there any problem ,if R-Y-B voltage is constant , but the air compressor taking one phase high current.what is possible causes.the said compressor is very new.(55kw).

4 Answers  

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Why is the earth fault relay connected to the Yellow Phase?

4 Answers  

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how to calculate the tarriff for an industry whose kva demand is 10 mva

0 Answers  

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Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

0 Answers   Bhel,

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why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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how to check the earth resistance value& what is the minimum earth resistance for good earthing sysytem.

33 Answers   Brookfield, BSNL, DMRC, Epoch, KPTCL, Polycab, Power Control, SIEA, Siemens, Wipro,

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when power transformer is flashed which gas is produce in side?

5 Answers  

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why slipring motor , at full speed run as squirrel cage motor?

1 Answers  

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How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers  

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how can we check a fully charged battery?

6 Answers   BEML, Singareni Collieries,

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