What is the main application of DUMMY COIL in machines?

3 Answers   IES,

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why star point of motor shall not be grounded?

8 Answers  

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why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer?

3 Answers  

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what is a relay?

31 Answers  

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why motors are rated in hp?

3 Answers  

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Why there are some equipment(i.e:TV) that using 2-pin plug instead of three? What happen if there is current leakage? Are we going to get electric shock??

0 Answers   College School Exams Tests,

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what is RR number Abbreviation energy meter

2 Answers   Trimax,

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In an alternator running with a balanced zero p.f. lagging load, phase differernc between the resultant armature flux and main field flux is always____? options is 180 degree....why?? explain.

1 Answers   BREB,

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why core is useful for a transformer ?and also in its operation ?

0 Answers  

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how do the stepper motor works.

1 Answers   Vardhman,

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WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB

0 Answers   IBM,

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From, which load current range ( upper - lower limit current)can Air circuit breaker used for in electrical circuit.

4 Answers   ABC,

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