Negative feedback circuit is an implication of ?
-Shunt shunt
-Shunt series
-series series
explain the operating principles of CVT & RVT
Describe the test procedure to determine the vector group
what is working parincipal of a ht transformer
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
what happens if dc supply is given and the remedies for it.
Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??
why to use freewheeling diode ( diode in revers bias mode) across dc coil
Is motor current is dependent on load.
CAN 50Hz transformer work at 60 Hz power supply? if yes how it is possible?
How many kw will suply from one db
why the voltage and current in a long transmission line are called travelling wave?
how much earth resistance consider to commissioning the transformer?
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