Answer / k.prakashchandra

I think they are used in digital cameras for zooming

Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?

3 Answers  

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electrical

0 Answers   BSES, Minda,

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Is it possible that Generator trip but Turbine not trip.Give explanation.

1 Answers   Essar,

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which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th

4 Answers   Power Grid, Powerica,

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At the time of 1st charging of transformer, there were huge inrush current, so why at that diffrential relay are not operated? Why?

3 Answers   Adani,

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which circuit breaker enclosure is best for maintenance guy? 16 bolt & 20 bolt squre or 16,20 bolt hinge

2 Answers  

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why leading pf indicates a negative sign???

1 Answers  

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how can we minimize the off load losses of a distribution transformer which is required to be energized 24x7 ?? capacity of the T/F is 1250 KVA and off load losses are around 2.0 KW.. can we use capacitor bank at the secondary of such a T/F to overcome off load losses? please elaborate briefly...thanks

2 Answers  

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What is the difference between MCCB, ACB & VCB

7 Answers  

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Amoung all classes of electric machines, why the transformer uses oil as one medium of cooling?

4 Answers  

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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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Describe Non I.S. Earth System and why is it used?

0 Answers   KPJV,

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