why the carbon brushes are used heat created rotating parts in eiectricity

1 Answers  

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what is the function of impulse relay

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What are the essential characteristics of signal flow graphs?

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for any load, what happen if we use the cable rating above its normal rating

2 Answers  

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How many methods use the load flow solution?

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A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V

6 Answers  

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what are the differance between neutral and earthing?

3 Answers  

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Why is DC use instead of AC for protection and control circuits?

4 Answers  

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Why Exciter higher ferquency ?

1 Answers   Core Logic,

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What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention

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What is the mulplying factor of trivector meter (11kv) having ct ratio 100/5 amp.

2 Answers  

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hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

0 Answers   APCPDCL, apspdcl,

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