what is the reciprocal of reactance?

Last Answer : AC Circuits with Resistance but No Reactance AC Circuits with Resistance but No Reactance Series resistances let two resistances R 1 and R 2 are connected in series as shows in figure and there ... voltage. Voltage V A is common to both the branch hence voltage V A is common reference.

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172 views

Capacitive reactance is more when?

Description : Capacitive reactance is more when?

Last Answer : Capacitive reactance is more when capacitance is less and frequency of supply is less.

1 answer

123 views

What is the unit of reactance?

Description : What is the unit of reactance?

Last Answer : Unit of reactance is Ohms ( Ω ) .Reactance is denoted by X .

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144 views

What is the inverse of reactance?

Description : What is the inverse of reactance?

Last Answer : Inverse of reactance is Susceptance .Unit of Susceptance is Siemens.

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277 views

Define impedance diagram and reactance diagram.

Description : Define impedance diagram and reactance diagram.

Last Answer : Impedance diagram: Impedance diagram is the simplified equivalent circuits of single line or one line diagrams of power system in which all components are represented by their equivalent circuit. ... machines are neglected and is used only for fault current calculation is called reactance diagram.

1 answer

221 views

What do you mean by exciting resistance and exciting reactance?

Description : What do you mean by exciting resistance and exciting reactance?

Last Answer : At no-load, a transformer behaves as a highly inductive load connected to the system which contains some resistance and inductance in parallel. The resistance is called exciting resistance R0 = V1/I w and reactance is called exciting reactance, X0 = V1/I mag

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If the % reactance upto the fault point is 20%, then the short circuit current will be

Description : If the % reactance upto the fault point is 20%, then the short circuit current will be

Last Answer : If the % reactance upto the fault point is 20%, then the short circuit current will be 5 times the full load current

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380 views

A single phase transformer has resistance and reactance of 0.2 pu and 0.6 pu respectively. Its pu voltage

Description : A single phase transformer has resistance and reactance of 0.2 pu and 0.6 pu respectively. Its pu voltage regulation at 0.8 pf lagging would he

Last Answer : A single phase transformer has resistance and reactance of 0.2 pu and 0.6 pu respectively. Its pu voltage regulation at 0.8 pf lagging would he 0.52

1 answer

136 views

Consider the following statements. Which of these statements are correct ? (1) Reactance relays are preferred

Description : Consider the following statements. Which of these statements are correct ? (1) Reactance relays are preferred for ground fault relaying (2) Impedance relays are most suitable for:protecting long transmission lines (3) Mho relays are best ... (1) and (3) (C) (2) and (4) (D) (1), (2) and (4)

Last Answer : Consider the following statements. Which of these statements are correct ? (1) Reactance relays are preferred for ground fault relaying (2) Impedance relays are most suitable for:protecting long transmission lines (3) Mho relays are ... (1) and (3) (C) (2) and (4) (D) (1), (2) and (4)

1 answer

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Reactance relay is normally preferred for protection against

Description : Reactance relay is normally preferred for protection against

Last Answer : Reactance relay is normally preferred for protection against earth faults

1 answer

598 views

Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor

Description : Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor (A) is equal to that of a normal induction motor (B) is less than that of a normal induction motor (C) ... than that of a normal induction motor (D) may be less or greater than that of a normal induction motor

Last Answer : C

2 answers

300 views

A 4000 kVA, 11 kV/132 kV delta-star connected 3-phase transformer has reactance, x1 = 0.12 p.u.

Description : A 4000 kVA, 11 kV/132 kV delta-star connected 3-phase transformer has reactance, x1 = 0.12 p.u. The actual value of x1 referred to the low voltage side is (A) 0.85 Ω (B) 3.63 Ω (C) 36.3 Ω (D) 252 Ω

Last Answer : A 4000 kVA, 11 kV/132 kV delta-star connected 3-phase transformer has reactance, x1 = 0.12 p.u. The actual value of x1 referred to the low voltage side is 3.63 Ω

1 answer

152 views

A reactance relay is

Description : A reactance relay is (A) Voltage restrained directional relay (B) Directional restrained over-current relay (C) Voltage restrained over current relay (D) Directional restrained over voltage relay

Last Answer : A reactance relay is Directional restrained over-current relay

1 answer

87 views

Circuits with XL Alone

Description : Circuits with XL Alone

Last Answer : Circuits with XL Alone X L values in series let two inductive reactances X L 1 and X L 2 are connected in series and has value 50 ohm and 50 ohm respectively. 100 volts A C ... phasor. And it is taken horizontal. Phase angle between inductive current and voltage is same 90 degree.

1 answer

244 views

A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by...

Description : A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will?

Last Answer : A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will not start at all.

1 answer

97 views

Reciprocal of impedence is know as

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622 views

For a two -port reciprocal network, the three transmission parameters are A = 4, B = 7 and C = 5. ...

Description : For a two -port reciprocal network, the three transmission parameters are A = 4, B = 7 and C = 5. What is the value of D ? (a) 9.5 (b) 9.0 (c) 8.5 (d) 8.0

Last Answer : For a two -port reciprocal network, the three transmission parameters are A = 4, B = 7 and C = 5. What is the value of D ? (a) 9.5 (b) 9.0 (c) 8.5 (d) 8.0

1 answer

227 views

Admittance is reciprocal of ...

Description : Admittance is reciprocal of (a) susceptance (b) impedance (c) reactance (d) conductance

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145 views

For a two port network to be reciprocal:

Description : For a two port network to be reciprocal: (A) Z11= Z22 (B) Y21 = Y21 (C) h21 = h22 (D) AD-BC = 0

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100 views

The reciprocal of resistance is called...

Description : The reciprocal of resistance is called (A) Impedance (B) Conductance (C) Inductance (D) Susceptance

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172 views

what is the reciprocal of conductivity?

Last Answer : Reciprocal of conductivity is resistivity.

1 answer

100 views

what is the reciprocal of resistance ?

Description : what is the reciprocal of resistance ?

Last Answer : reciprocal of resistance is conductance.

1 answer

142 views

Circuits with capacitive reactance X C alone

Last Answer : Circuits with capacitive reactance X C alone. Capacitive reactance X C values in series. There is no resistance or inductive reactance only capacitive reactance is there. Let two capacitive ... horizontal in phasor diagram. The total current I T leads voltage V A by 90 degree.

1 answer

1.1k views

Potier reactance of an alternator is almost the same as

Description : Potier reactance of an alternator is almost the same as (a) Field winding reactance (b) Total armature reactance (c) Leakage reactance of field winding (d) Armature leakage reactance

Last Answer : Potier reactance of an alternator is almost the same as Armature leakage reactance

1 answer

69 views

The operating characteristics of a reactance type distance relay (A) a stepped waveform for increasing

Description : The operating characteristics of a reactance type distance relay (A) a stepped waveform for increasing reactance (B) a straight line for a constant reactance (C) a circle for a constant reactance (D) a set of circles for variable reactances

Last Answer : The operating characteristics of a reactance type distance relay a straight line for a constant reactance

1 answer

212 views

A 3-phase star-connected 75 MVA, 25 kV 3-phase synchronous generator has a synchronous reactance of...

Description : A 3-phase star-connected 75 MVA, 25 kV 3-phase synchronous generator has a synchronous reactance of 1.0 p.u. The per unit value to a 90 MVA base and 30 kV is (A) 2/15 p.u. (B) 5/6 p.u. (C) 1.0 p.u. (D) 1.2 p.u.

Last Answer : A 3-phase star-connected 75 MVA, 25 kV 3-phase synchronous generator has a synchronous reactance of 1.0 p.u. The per unit value to a 90 MVA base and 30 kV is 5/6 p.u.

1 answer

125 views

The maximum possible power of a 3-phase synchronous motor with synchronous reactance 0.8 p.u. connected

Description : The maximum possible power of a 3-phase synchronous motor with synchronous reactance 0.8 p.u. connected to a bus-bar of 1.0 p.u. and excitation adjusted to 1.2 p.u. is (A) 0.5 p.u. (B) 0.96 p.u. (C) 1.5 p.u. (D) 1.8 p.u.

Last Answer : The maximum possible power of a 3-phase synchronous motor with synchronous reactance 0.8 p.u. connected to a bus-bar of 1.0 p.u. and excitation adjusted to 1.2 p.u. is 1.5 p.u.

1 answer

695 views

A single phase, 2000V alternator has armature resistance and reactance of 0.8 ohm and 4.94 ohm respectively...

Description : A single phase, 2000V alternator has armature resistance and reactance of 0.8 ohm and 4.94 ohm respectively. The voltage regulation of the alternator at 100A, 0.8 leading pf is (A) 7% (B) - 8.9% (C) - 6.3% (D) 0%

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216 views

What is the reactance of a 3H inductor when the frequency is 120 Hz?

Description : What is the reactance of a 3H inductor when the frequency is 120 Hz? A. 2260 ohm B. 2060 ohm C. 360 ohm D. 0

Last Answer : 2260 ohm is the reactance of a 3H inductor when the frequency is 120 Hz.

1 answer

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If X is the system reactance and R is its resistance, the power transferred is maximum when

Description : If X is the system reactance and R is its resistance, the power transferred is maximum when (1) X=R (2) X=1.414 R (3) X=1.732 R (4) X=2R

Last Answer : x = 1.732R

1 answer

289 views

The synchronous reactance of the synchronous machme is the ratio between:...

Description : The synchronous reactance of the synchronous machine is the ratio between: (A) open circuit voltage and short circuit current at Constant field current (B) short circuit Voltage and open ... at different field current (D) short circuit voltage and open circuit current at different field current

Last Answer : The synchronous reactance of the synchronous machine is the ratio between: open circuit voltage and short circuit current at constant field current

1 answer

140 views

A Reactor having an inductive reactance of 4 ohm is connected to the terminals of a 120 V AC generator...

Description : A Reactor having an inductive reactance of 4 ohm is connected to the terminals of a 120 V AC generator. Calculate the power associated with the reactor. (A) 3.6 kvar (B) 30 kvar (C) 7.2 kvar (D) 4.16 kvar

0 answers

257 views

In an induction motor, if the rotor resistance is equal to stand-still reactance then the maximum torque is_________.

Last Answer : In an induction motor, if the rotor resistance is equal to stand-still reactance then the maximum torque is equal to starting torque.

1 answer

348 views

The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q....

Description : The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes_____ohms.

Last Answer : The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes 10 ohms.

1 answer

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Assertion (A): The principle of reciprocal inhibition states that the presence of two mutually opposing forces at the same time will lead to the stronger force inhibiting the weaker one. Reason (R): The principle of reciprocal inhibition is a procedure wherein the client learns to behave in a certain way by observing the behaviour of the therapist. a. Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A). b. Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A). c. Assertion (A) is true, but Reason (R) is false. d. Assertion (A) is false, but Reason (R) is true.

Description : Assertion (A): The principle of reciprocal inhibition states that the presence of two mutually opposing forces at the same time will lead to the stronger force inhibiting the weaker one. Reason (R): The principle of ... but Reason (R) is false. d. Assertion (A) is false, but Reason (R) is true.

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A student did the experiment on finding the speed of sound (say V) using a given resonance tube of diameter D. She used five tuning forks of different frequencies and observed the first and second resonance lengths in each case. She then plotted (separate) graphs of these first and second resonance lengths against the reciprocal of the corresponding tuning fork frequencies. The slopes of the two graphs were found to be m1 and m2 while the magnitudes of their intercepts, on the y–axis, were found to be C1 and C2 , respectively. We would then have (1) v = 4M1 = 4/3M2 and D = 10/3|C1| = 10/3|C2| (2) v = 4M1 = 3/4M2 and D = 10/3|C1| = 10/3|C2| (3) v = 4M1 = 3/4M2 and D = 10|C1| = 10/3|C2| (4) v = M1/4 = 3/3M2 and D = 10|C1| = 10/3|C2|

Description : A student did the experiment on finding the speed of sound (say V) using a given resonance tube of diameter D. She used five tuning forks of different frequencies and observed the first and second resonance lengths in each case. She then ... 10/3|C2| (4) v = M1/4 = 3/3M2 and D = 10|C1| = 10/3|C2|

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A student did the experiment on finding the speed of sound (say V) using a given resonance tube of diameter D. She used five tuning forks of different frequencies and observed the first and second resonance lengths in each case. She then plotted (separate) graphs of these first and second resonance lengths against the reciprocal of the corresponding tuning fork frequencies. The slopes of the two graphs were found to be m1 and m2 while the magnitudes of their intercepts, on the y–axis, were found to be C1 and C2 , respectively. We would then have (1) v = 4M1 = 4/3M2 and D = 10/3|C1| = 10/3|C2| (2) v = 4M1 = 3/4M2 and D = 10/3|C1| = 10/3|C2| (3) v = 4M1 = 3/4M2 and D = 10|C1| = 10/3|C2| (4) v = M1/4 = 3/3M2 and D = 10|C1| = 10/3|C2|

Description : A student did the experiment on finding the speed of sound (say V) using a given resonance tube of diameter D. She used five tuning forks of different frequencies and observed the first and second resonance lengths in each case. She then ... 10/3|C2| (4) v = M1/4 = 3/3M2 and D = 10|C1| = 10/3|C2|

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Promises which form consideration or part of the consideration for each other are called (a) reciprocal promise (b) promisor alone (c) agent (d) all the above

Description : Promises which form consideration or part of the consideration for each other are called (a) reciprocal promise (b) promisor alone (c) agent (d) all the above

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What are Reciprocal promises types? (a) One (b) Two (c) Three (d) Five

Description : What are Reciprocal promises types? (a) One (b) Two (c) Three (d) Five

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If zeroes of the polynomial x2 + ax – b be reciprocal of each other then b = (A) 2 (B) 1 (C) -1 (D) a

Description : If zeroes of the polynomial x2 + ax – b be reciprocal of each other then b = (A) 2 (B) 1 (C) -1 (D) a

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What do you think of this explanation for why perpendicualar lines have negative reciprocal slope?

Description : What do you think of this explanation for why perpendicualar lines have negative reciprocal slope?

Last Answer : I think it has potential, but I think as of now you’re taking it on faith that the lines are perpendicular. I understand your explanation about fixing them in place, but it is not proven that the x and y axes would lie through A and B when rotated. It wouldn’t be hard to add that bit on, I think.

1 answer

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If you've ever been in a non-reciprocal relationship, how have you managed to thrive and not shut down inside?

Description : If you've ever been in a non-reciprocal relationship, how have you managed to thrive and not shut down inside?

Last Answer : Survive through grace. Thriving may be a bit of a stretch.

1 answer

anonymous · Answer 1 · 2017-09-30T15:41:55+0000

Answer :

reciprocal of reactance is susceptance.

answered Sep 30, 2017 by anonymous

what is the reciprocal of reactance?

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