Inductance coils are basically designed for

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Inductance coils are basically designed for High Q.

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Two similar coils have self inductance of 1 mH each. Coefficient of ...

Description : Two similar coils have self inductance of 1 mH each. Coefficient of coupling is 0.5. The mutual inductance M is

Last Answer : Two similar coils have self inductance of 1 mH each. Coefficient of coupling is 0.5. The mutual inductance M is 0.5 mH.

Two coils have a mutual inductance 0.005H. The current changes in the first coil according to the equation `I=I_(0) sin omegat "where" I_(0)=10A and o

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The equivalent inductance of two coils with series opposing flux having inductances 7H and 2H with a mutual inductance of 1H. a) 10 b) 7 c) 11 d) 13

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The equivalent inductances of two coils 2H and 5H in series aiding flux with mutual inductance of 3H is a) 10 b) 30 c) 1 d) 13

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The coefficient of coupling between two coils is 0.45. The first coil has an inductance of 75 mH and the second...

Description : The coefficient of coupling between two coils is 0.45. The first coil has an inductance of 75 mH and the second coil has an inductance of 105 mH. What is the mutual inductance between the coils?  (1) 3.54 mH (2) 7.88 mH (3) 39.9 mH (4) 189.3 mH

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Two coils in differential connection have self-inductance of 2 mH and 4 ...

Description : Two coils in differential connection have self-inductance of 2 mH and 4 mH and a mutual inductance of 0.15 mH. The equivalent inductance of the combination is

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ARM processors where basically designed for _______ A. Main frame systems B. Distributed systems C. Mobile systems D. Super computers

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Description : Boosters are basically: -  a) inductors b) capacitors c) transformers d) synchronous motors

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Last Answer : Transformer core is laminated to reduce eddy current. Eddy current cause energy to lose from transformer 

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Description : The coefficient of coupling between two air core coils depends on   (A) mutual inductance between two coils only (B) self inductances of the two coils only (C) mutual inductance and self inductances of the two coils (D) none

Last Answer : The coefficient of coupling between two air core coils depends on mutual inductance and self inductances of the two coils 

Transformer voltage is maximum when two coils are

Description : Transformer voltage is maximum when two coils are (1) Normal to each other (2) Aligned along the same axis (3) 600 away from each other (4) 2700 away from each other

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effect of inductance and capacitance on performance of transmission line.

Description : effect of inductance and capacitance on performance of transmission line.

Last Answer : Following are the effect on performance of transmission line:  1. Due to inductance (L) voltage drop in transmission line produces.  2. Capacitor (C) draws charging current ... , transmission line efficiency, voltage regulation & also power factor of transmission line gets affected. 

What is inductance?

Description : What is inductance?

Last Answer : Inductance is the property of Material by which it opposes the any change of magnitude or direction of electric current passing through the conductor. The inductance is denoted by L. The unit of inductance is Henry (H).

Self inductance formula

Description : Self inductance formula

Last Answer : Self inductance formula

Self induced voltage across an inductance

Description : Self induced voltage across an inductance

Last Answer : Self induced voltage across an inductance

State the effects of errors in dynamometer type wattmeter due to i) pc- inductance ii) pc- capacitance iii) mutual inductance iv) Connection.

Description : State the effects of errors in dynamometer type wattmeter due to i) pc- inductance ii) pc- capacitance iii) mutual inductance iv) Connection.

Last Answer : Errors in wattmeter:  i) pc - inductance: Pressure coil inductance causes wattmeter to read more power than actual .  ii) pc-capacitance: The wattmeter reads less power.  iii) ... iv) Connection: In uncompensated wattmeter , the reading of wattmeter includes the powerloss in coils. 

Describe with working of LCR meter for measurement of inductance.

Description : Describe with working of LCR meter for measurement of inductance. 

Last Answer : working of LCR:- A LCR meter (Inductance (L), Capacitance (C), and Resistance (R) test equipment used to measure the inductance, capacitance and, resistance of a component. It works on the ... in parallel (as would be encountered in measuring a capacitor with a leaky dielectric) [Q setting ] 

Define :i) Self inductance ii) Coefficient of self induction

Description : Define :i) Self inductance ii) Coefficient of self induction

Last Answer : i) Self-inductance: It is the property by virtue of which a coil opposes change in current flowing through it by inducing an emf in it such that its effect is to circulate current (induced current) that produces a magnetic field ...          N = di/dt        N = Φ/I  It is expressed in henry.  

A coil of 500 turns is linked with a flux of 25 mwb, when carries a current of 12.5A. Calculate the value of self-inductance.

Description : A coil of 500 turns is linked with a flux of 25 mwb, when carries a current of 12.5A. Calculate the value of self-inductance.

Last Answer : Ans: Self-Inductance: L = NΦ /I = 500 × 25 × 10-3 / 12.5 = 1 H

In practice, a current source inverter consists of an AC/ DC converter with a large inductance ‘L’ in the output.

Description : In practice, a current source inverter consists of an AC/ DC converter with a large inductance ‘L’ in the output. This inductance maintains a ……… …………through the switching devices over short interval of time. A) constant current B) constant voltage C) constant power D) none of the (A), (B), (C)

Last Answer : In practice, a current source inverter consists of an AC/ DC converter with a large inductance ‘L’ in the output. This inductance maintains a constant current through the switching devices over short interval of time. 

An iron cored inductance coil can be modelled, over a normal operating range of networks ,as

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Last Answer : An iron cored inductance coil can be modelled, over a normal operating range of networks ,as linear bilateral element

These self inductance of a circuit is defined as twice the work done against the induced e.m.f.

Description : These self inductance of a circuit is defined as twice the work done against the induced e.m.f. on establishing unit current in the coil. If the current to be established in the coil is doubled, the work done ... induced e.m.f. will be  1. Doubled  2. Halved  3. four times  4. Quarter times 

Last Answer : These self inductance of a circuit is defined as twice the work done against the induced e.m.f. on establishing unit current in the coil. If the current to be established in the coil is doubled, the work done against the induced e.m.f. will be four times

lt the length, number of turns and area of a coil are doubled, the inductance of the coil

Description : lt the length, number of turns and area of a coil are  doubled, the inductance of the coil

Last Answer : lt the length, number of turns and area of a coil are  doubled, the inductance of the coil is quadrupled

A coil of inductance 240 mH and resistance 75 Ohm is connected in parallel with a capacitor across a 30 V,

Description : A coil of inductance 240 mH and resistance 75 Ohm is connected in parallel with a capacitor across a 30 V, variable frequency supply. The current drawn by the circuit is found to be minimum when the supply frequency is 1 kHz. The ... (A) 40, 400 Hz (B) 10, 100 Hz (C) 20, 50 Hz (D) 50, 20 Hz

Last Answer : A coil of inductance 240 mH and resistance 75 Ohm is connected in parallel with a capacitor across a 30 V, variable frequency supply. The current drawn by the circuit is found to be minimum ... supply frequency is 1 kHz. The approximate values of Q-factor and bandwidth are, respectively 20, 50 Hz

A network consists of several inductances connected in parallel. The equivalent inductance of the network is

Description : A network consists of several inductances connected in parallel. The equivalent inductance of the network is given by (A) the sum of the individual inductances. (B) the reciprocal of the ... of individual inductances. (D) the reciprocal of the sum of reciprocals of individual inductances.

Last Answer : A network consists of several inductances connected in parallel. The equivalent inductance of the network is given by the reciprocal of the sum of reciprocals of individual inductances.

What is the value of Inductance of a coil that induces 20 V when the current through the coil changes from...

Description : What is the value of Inductance of a coil that induces 20 V when the current through the coil changes from 12 to 20 A in 2 seconds? A. 2 H B. 3 H C. 4 H D. 5 H 

Last Answer : 5 H is the value of Inductance of a coil that induces 20 V when the current through the coil changes from 12 to 20 A in 2 seconds.

An undesirable side effect of motional inductance of large conduction specimens is

Last Answer : An undesirable side effect of motional inductance of large conduction specimens is eddy currents.

A series RLC circuit has a resistance of 50 , inductance of 0.4H and a...

Description : A series RLC circuit has a resistance of 50 , inductance of 0.4H and a capacitor of 10µF. The circuit is connected across a 100V supply. The resonance frequency and the current through the resistance are 

Last Answer : A series RLC circuit has a resistance of 50 , inductance of 0.4H and a capacitor of 10µF. The circuit is connected across a 100V supply. The resonance frequency and the current through the resistance are 500 rad/s and 2A.

The initial rate of rise of current through a coil of inductance 10 H when suddenly...

Description : The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is_______Vs.

Last Answer : The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is 20 Vs

When both the inductance and resistance of a coil are doubled the value of?

Description : When both the inductance and resistance of a coil are doubled the value of?

Last Answer : When both the inductance and resistance of a coil are doubled the value of time constant remains unchanged.

The inductance of a coil can be increased by?

Description : The inductance of a coil can be increased by?

Last Answer : The inductance of a coil can be increased by choosing core material having high relative permeability.

If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?

Description : If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?

Last Answer : 0.1s

Inductance of coil?

Description : Inductance of coil?

Last Answer : Inductance of coil increases with the increase in supply frequency.

Inductance of a coil Varies?

Description : Inductance of a coil Varies?

Last Answer : Inductance of a coil Varies as directly as the cross-sectional area of magnetic core and inversely as the length of the iron path.

Inductance affects the direct current flow?

Description : Inductance affects the direct current flow?

Last Answer : Inductance affects the direct current flow at the time of turning on and off.

In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value?

Description : In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value?  

Last Answer : In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value will increase the selectivity of the circuit.

Define resistance capacitance & inductance

Last Answer : Resistance: This could be defined as the opposition  or retarding force to the flow of current in a circuit. It is measured in Ohms. Capacitance: The ability of a system of electrical conductors and insulators ... due to a rate of change of current in the circuit or coil. It's unit is Henry.

What is the reciprocal of inductance?

Description : What is the reciprocal of inductance?

Last Answer : This term is not exist

What is the unit of inductance?

Last Answer : Unit of inductance is Henry denoted by capital H .

What are the factors on which inductance depends?

Last Answer : 1)no of turns 2)area of coil 3)length of coil 4)thickness of conductor

Why inductance is called electrical inertia?

Last Answer : The size of the induced electromotive force is proportional to the rate of change of theelectric current. ... The self-inductance of a coil, or simply its inductance, may thus be thought of as electromagnetic inertia, a property that opposes changes both in currents and in magnetic fields.

Why inductance increases with frequency?

Last Answer : The voltage across an inductor is directly proportional to inductance (V=L*di/dt*I).And the voltage is Also directly proportion to frequency.

Is nagging considered basically a female trait and if so, why?

Description : Is nagging considered basically a female trait and if so, why?

Last Answer : In my opinion yes. I think because women generally are more concerned about safety and women do many more tasks than men at home, or did previously. People can nag about anything, but I think most of it ... the counter, and so on. Women are nags and men are mules. It seems that's the stereotypes.

Did your high school have an elective class where the students basically helped in a pre-k?

Description : Did your high school have an elective class where the students basically helped in a pre-k?

Last Answer : In grade school we sometimes had 21 year olds teaching class. Only three years older than some high school students. Fresh out of university Bachelor of education degree graduates.

Have any of you women encountered posts that basically tell us to get over our "fear" of being attacked in certain situations, like it's all in our imaginations?

Description : Have any of you women encountered posts that basically tell us to get over our "fear" of being attacked in certain situations, like it's all in our imaginations?

Last Answer : More than once on fluther it has happened. In real life most people I know are similar to me. We try not to walk alone, we lock our doors. As far as camping alone in a tent, I don't think I'd do it. I ... out late when it's dark. If I can I'd have a time to check in with a friend or my husband.