A separately excited dc motor having 2 ohm armature resistsance draws a current of 10A and torque developed is 20 Nm under rated field condtion. the speed of the motor under the rated field condtion , when it is connected to a 100V DC source and delivering 10Nm torque....

2 Answers   DRDO,

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Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

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what is the use of megger? and types

11 Answers   TNEB Tamil Nadu Electricity Board,

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Can I use measuring current transformers in protection purposes?

7 Answers  

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which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

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ON WHAT BASIS LOADS ARE CLASSIFIED AS RESISTIVE,INDUCTIVE AND CAPACITIVE LOADS?.GIVE PRACTICAL EXAMPLES FOR EACH

6 Answers  

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anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

0 Answers  

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how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

1 Answers   Enercon,

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whether energy meter is connected in series or parallel.why?

2 Answers   Encom,

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why overcurrent fault occurs in power system.

1 Answers  

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How do you select a cable size(Cu & Al) for a particular load?

2 Answers  

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what will be the difference on output when 3phase I.M. is given a delta or star supply?

3 Answers  

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