Why ferranti effect occurred in leading p.f load?

1 Answers  

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Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

0 Answers  

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What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

0 Answers   APTransco,

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How to Prepare preventive maintenance shedule of machine tool.

0 Answers   Concast,

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1. Synchronization is not required A. Thermal B.Hydel C.Wind D.Nuclear

2 Answers   APGenco, Birla Power,

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what is the specific gravity of fully charged battery

14 Answers  

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1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

2 Answers   Automation, Indian Railways, Mogora Cosmic,

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How core saturation effects the secondary voltage (whats the theory) of a current transformer in service?

1 Answers  

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what diff. between earth nd neutral?

3 Answers   NTPC,

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can we use the step down transformer to step up transformer

6 Answers  

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What is RCBO? hw it works

2 Answers  

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why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

4 Answers  

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