Answer / ashish

a breaker has a fixed and moving contacts.
after closing of the breaker the resistance between
this contact is called breaker contact resistance and its
value is in few micro/milli ohms.

Answer / hiranmoy chatterjee

Contact resistance of SF6 CB will be less than 40 micro ohm.

What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

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instead of neutral can we use earth/ground to flow the current in the circuit

2 Answers   Infosys,

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what are the different kind of cables used for transmissions?

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Can I use star delta connected induction motor for dual supply voltage?

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how to determine capacitor bank capacity of one plant..

2 Answers   Dalkia, SPDC,

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if our load in 3 phase circuit is 4000 amp. calculate the capacity of capacitor panel if line power factor is.80 .

1 Answers   ST Micro,

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