what is the difference between transformer and amplifier ??5 5555
what is the function of choke and starter in a tube light??2 3314
why tube light flicks??1 2358
what is differance bw ELCB and MCB. ?3 3567
what purpose to use excaiter in DG.?
plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.4060
I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?997
What is difference between ON delay and OFF Delay Timer?7 45376
what is Princepale of Transformer Taps.1 2694
It is used or not HT cable single core 630 sqmm in LT 3 phase capacitor bank which is used in PCC(power control center).1 2179
diesel generator not getting start so whats problems will happen to DG and how we can start DG1 3317
voltmeter kya hota hy ?2 3597
electric contractor ya contactor kia hota hy ? or kesy connect kia jata hy ?1 2190
What are the different power system losses and how can it be eliminated?
how to select automotive wire by mathematical equation with given current, vlotage and resistance
what is mean by dual digital protection in the relay field?
- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it
what is ramping rate of generator
Difference between transition and diffusion capacitance
How to select the cable and voltage drop in circuit?
A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.
Which motor connection is preferable star-delta or delta-star?
How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?
The power supplied to a 50mH inductor from a 120V, 60Hz source will be
What is the Current equation in series RLC circuits.
give me applications of sequence bridges . (used in 3 phase un balanced systems)
how to test YNyn0 vector group in transformer?
Why is back emf used for a DC motor? Highlight its significance.