Answer / abhinaav saikia

It is the value of voltage above which there is a sudden
increase of current,below this voltage the V/I
charachteristics is almost linear(ohmic charachteristics).
A mark increase in current is observed beyond this knee
voltage.

Answer / bakyalakshmi nisha

It is the value of voltage above which there is a sudden
increase of current,below this voltage current is zero or
very low(leakage current).

Answer / lussubilo mwakibinga

this is the point at which the current start increasing
sharply after the minimum voltage for device to conduct in
foward bias is reached.

Answer / rod

Knee point relates to current transformers it is the point
on the curve where it starts to flaten out and the
transformer starts to saturate

Answer / ashish jain

in case of C.T. It is the value of voltage above which
there is a sudden increase of current i.e. with 10%
increase in voltage, there is 30% increase in current
(approx). below this voltage the V/I
charachteristics is almost linear.

Answer / raju_

IN SEMI CONDUCTOR DEVICES WHEN THE VOLTAGE IS GENRETED THEN
SEMI CONDUCTOR INCRISE THE SOME CURRENT IT HAVE SOME NUMBER
OF ELECTRONS ITS'CALL KNEE VOLTAGE..

Answer / jsenthamizh

knee point voltage also called as cut in voltage.espicially
its said to be in semiconductor. semiconductor matrial made
up of silicon or germanium. Its depens upon what type of
semiconductor material is used for silicon cuting voltage
is 0.7 for germanium 0.3.

why do we use star-delta starter. what is its need?

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