why in an electrical lab a bulb connected to supply goes off slowly when the main supply is switched off?

2 Answers  

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what are the electrical components required for run the motor pump including safety components plz explain it how we can use such components .

2 Answers  

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ct connection of energy meter

1 Answers  

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a 25kvar capacitor bank connected to the secondary side of transformer.then why the capacitor draws more current then rated

3 Answers   TATA,

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hi, in the event earth grounding is not available in a project, is there any other way to make the elcb work? fyi, i have an instant water heater (6.5kw) installed, however if there is grounding in the heating element inside the heater assembly, i will get grounded. thank you in advance to those who will answer my question.

0 Answers  

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Can we convert off line transformer to on line transformer

0 Answers   NHPC,

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1 KW = how many HP

3 Answers  

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How is the air circuit breaker quenching the arc. If it is by air means, where is it come from?

1 Answers  

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how to decide the capacity of accl

0 Answers  

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why Line voltage =1.732XPhase voltage what mean by 1.732

4 Answers   IBM, NCC,

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How npn and pnp transistor works

0 Answers  

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in communication what is the role of elelctrical engineer?

3 Answers   Quippo, Reliance,

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