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considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?
5 6783differentiate between one way two gang switch & two way one gang switch, used in designing the loads of building.
1 4589If the Supply voltage is increased by n times, the cross section of conducter will [increase/decrease] by ________ times ?
4 11529The Source internal resitanse Rs , When equal to Load resistance RL, the maximum transfered is of _____ % of input power?
2 7748In a transformer ,when voltage decreases current increases. but this is a violation of oms law.why?
15 24225how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...
2225Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB
2799Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?
2335v=I*R, i.e V is directly proportional to I. now P=V*I. so V=P/I. thus v is inversely proportional to I. so what is the correct one? If both are correct than for which kind of condition this 2 differ
3 7506Post New Electrical Engineering Questions
for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations
how to find the torque of the single phase synchronous motor by doing an experiment
How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.
The synchronous machine excitation system explain
what is KSR type transmission tower? What is LSR type transmission tower?
Why hydropower is called renewable source of energy?
Draw the DOL starter and star delta starter drawing?
My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I - is the value of AC fault current. t - is the operating time of disconnecting device in seconds. K – is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.
Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?
how can tell us the AC indoor or outdoor which Tr and formulls
how do i commission a distribution transformer knowing all its ratings and transformation ratios?d
HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?
Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .
Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output
how a flip flop can be used as a latch?
