Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None

3 Answers   Ecil,

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what is bjt & mosfet? what is rectifier & diode?

1 Answers  

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In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?

19 Answers   Essar, GAIL, Vizag Steel,

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what is appearent power?

3 Answers  

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Electricity sometimes can be dangers , sometime got shoked form it . It is because of volatge or Current

6 Answers   Kirloskar,

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if the field circuit of a d.c. shunt motor running without load gets opened, then the motor will

3 Answers  

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why we use condenser in the thermal power plant, althrough the same vapour will be again heated

2 Answers  

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how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

0 Answers  

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What is the difference between KV,KVAR,KVA,KW?

6 Answers   L&T, PowerHouse, YUI,

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whata is battery charger ?how many cells connected for 110v?

1 Answers   Essar,

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in shunt clippers why a resistor is used in sereis with the input

0 Answers  

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How to Convert horsepower to kva? what is the three phase formula? explain me if u can Example..i have 50Hp Moter how can i convert in kva tell me formula three phases Rehan Smileavail@msn.com

4 Answers   Bajaj,

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