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1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.
3375What are the test involved in DG auto synchronizing panel before in manufacturing place before dispatch.
2 5370sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.
1 3458sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.
1896Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?
2891Post New Electrical Engineering Questions
why ht motors are star connected?
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
how to build a network which step down 415v to 1v rms
what parameters are should nessary for control technic dc drive(in rolling mills)?
A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N
In Electrical 'Single Line Diagram' cable nomenclature shows "2 X 1C X 630sq.mm to be provided for one incomer. The question is how many cable to be proved for one Incomer.
how to check ac servo motor
why is control bus bi-directional?
WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.
BSNL TTA EXAM QUESTION
What is acsr cable and where we use it?
What are PLC leader logic program method
what is 3rd Harmonics? how it is generated in alternator
ult of expression 'document.FrmQF.myem
Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?
