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A current of 2A flows for 10 hour through a 100 ohm resistor. The energy consumed by the resistor is:(a) 0.5 kWh(b) 4 kWh(c) 2 kWh(d) 0.02 kWh
3 14024Electromotive force is provided by:(a) Resistance’s(b) A conducting path(c) An electric current(d) An electrical supply source
2 5086In order that work may be done:(a) Two wires are necessary(b) The circuit must have a switch(c) Coal must be burnt(d) A supply of energy is required
1 7138Voltage drop is the:(a) Maximum potential(b) Difference in potential between two points(c) Voltage at the end of a circuit(d) Voltage produced by a source
3 7491Dear all, I just want to ask an expert on this forum for some insights. For the magnetic balance test, when applied voltage on a Delta-Star transformer e.g. Dyn11, the following relationships apply for HV side: 1. H1-H2 = H2-H3 H3-H1 2. H2-H3 = H3-H1 H1-H2 3. H3-H1 = H1-H2 H2-H3 For the LV side also: 4. X1-X0 = X2-X0 X3-X0 5. X2-X0 = X3-X0 X1-X0 6. X3-X0 = X1-X0 X2-X0 Is there a similar pattern for Y-d, Y-Y, D-d? And how about Y-z, D-z, Z-y transformers? I've tested a YNzn5 transformer and for LV side I don't see the pattern. In this particular case I got for LV side the following (see values below): H1-H0 H2-H0 H3-H0 X0-X1 X0-X2 X0-X3 128.0 119.9 7.2 29.2 13.3 15.8 70.7 128.4 59.2 23.4 22.0 3.6 7.2 120.1 128.1 13.4 29.3 15.8 What is the relationship here for LV? For row 1 I see the relationship, for row 3 I also see but it's shifted, but for row 2 I don't see such relationship. Any suggestions, answers, someone?
1881How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)
1722Post New Electrical Engineering Questions
Explain RLC circuit?
what is inverter and converter
In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.
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Why CBCT rating is 50/1A
I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN
1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.
operation of diesel generator
If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??
What range of speed can you get with the field control method of speed control of d.c. Shunt motor?
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What is essential to prove safe isolation of electrical circuit?
sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence
how mass curve differs from hydrograph.
what are the applications of TIG welding
