Answer / shariff

If the all the three phase have equal loading them In=0, but in practical , the phase loading will differ, hence the differ current fill flow in neutral.

Answer / n manivannan

a) ? Is it Single Phase system or 3 phase system

b) If it is Single phase system, full current will flow
thro Neutral. Current flows thro Phase, Load and Returns
thro Neutral. ? Clear

c) If it is 3 Phase system ( Star Connected with Neutral)
and if the Connected LOAD IS BALANCED, No Current will flow
thro Neutral. If the LOAD IS UNBALANCED, Unbalance current
will flow thro Neutral

I will stop with this. Otherwise we have to write more

N Manivannan
manivannan20@hotmail.com

Answer / arvind

because it depends upon the load, what type of load are
connected like linear and non linear load, which is always
be present as an load so this make the voltage fluctution
and cause small amount current to flow to neutral.

Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

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