What is transister , thermister , thyrister?
what is its function? where this using?
Answer / ankamsreekar
Transistor is 3 terminal 3 layer semi conductor device used
for amplification and switching applications.
Thermistor is a device in which the resistance is varies
with the temperature variation. they are used to protect the
electrical machines / windings by sensing temperature. these
are made up of metal oxides. they are non linear in nature.
Thyristor is 3 terminal 4 layer semi conductor device used
for switching applications.
Is This Answer Correct ? | 8 Yes | 0 No |
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?
In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??
What is meant by positive and negative feedback?
what is GRR(Grid Rotot resistance)?Why it is used beside of LRS?
9 Answers ACC, L&T, Sri Biotech,
In India which type of PLCC IS used?
2 Answers Cipla, Ford, Jayashree,
IN CABLE TRENCH WHY FILL UP THE SAND. AND WHAT IS THE DIFFERENCE BETWEEN OVER HEAD AND UNDER GROUND LAYING THE CABLES
What is the suitable transmission voltage?
are induction motor have poles? yes / no , why?
how to select battery for 15 KVA UPS with formula
In three phase energymeter the spindle rotating backward why?
why diesel tank is earthed
In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?