Define piezo-electric effect?
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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?
what is differance between PT-100 and thermocouple?
circuit breaker is ...............connected with circuit
How current is reduced in STAR connection?
we have two 11/.433 kv. distribution Transformer rating as 1000 kva & 500 kva , i wants to run parallel both transformer. both transformer impendence voltage is 5.24%, How can we run both t/f, & how sharing the load
please send me RRB electrical engineer previous year questions for Sr. Section Engineer
One VFD is possible to connect two motors at the same time?
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
how to calculate H.P of a moter from speed of a moter?
what will happen if we directly give supply to rotor of a induction motor?
we all know that corona is nothing but ionization of air around the conductor and there by allowing current to pass through ionized air.but we are not getting any short circuit in between the respective phases though the air turned as a conductive media between them??
Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same