Answer / simon peter

A straight line segment whose length is magnitude and whose orientation in space is direction e.g-15Km.
Whereas vector diagram is a rough outline & a free hand sketch
drawn for comparission among quantites.

A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

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How npn and pnp transistor works

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what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

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why in some trains in India Electric equipment such as Fans , tube light not work until locomotive or engine is attached to the train ??

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When will you multiply and devide with derating factors to the actual value while sizing the cable?

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FACP Means

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What is the meaning of key single line diagram?

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how to give earthing in plain?

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Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

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how could we calculate the no of outgoings from a 800 watt distribution board

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

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How to know th details about an electrical Drawing ? Please mention the easy method.

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