Topic :: Inductance





Inductance Interview Questions
Questions Answers Views Company eMail

The unit of inductance is (a) Ohm (b) Farad (c) Henry (d) Coloumb

6 7693

what is the difference in inductance and resistance.both oppose the flow of current but how.resistance having + ve power in both cycle while inductance having both power.

5 16751

for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

1613

for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

1 4914

Explain why inductance of the iron cored coil changes with current?

2 5674

Derive the inductance of a coil in terms of its physical factors.

1 3899

give me a clear defination of inductance,and how can u calculate inductance of a motor

2313

what is inductance function?

3 4210

how to cancel cable inductance in power supplies without adding any ckt parallel to cable?

2 4873

Is the inductance parameter of transmission line affected by taking the earth into consideration?is the same true for capacitance? Justify the answer.

1 3268

what instruments used for measuring of inductance and capacitance.

2 5678

why inductance is not present in a incandescnt lamp?

2 3669

is the value of inductance depends upon the value of thitha in doubly excited machine??

1559

is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1454

A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V

6 6478




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Un-Answered Questions { Inductance }

for compensate 315mh inductance ,how many capaciance required?

1613


give me a clear defination of inductance,and how can u calculate inductance of a motor

2313


What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

2442


is the value of inductance depends upon the value of thitha in doubly excited machine??

1559


is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1454






How to see the inductance in a transmission lines

1661


why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

3184


How line capacitance & line inductance varies with increase in height tower.

1857


If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

1525


can we find the inductance of a induction motor?

1544


A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

4474


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.

2771


what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????

1426


when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1260


What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

1949