What is the reciprocal of capacitance?

The reciprocal of capacitance is called elastance, and its unit is the reciprocal farad, also called the daraf.

asked
Jan 7, 2018
by
anonymous

What is the reciprocal of inductance?

This term is not exist

asked
Jan 7, 2018
by
anonymous

What is the reciprocal of resistivity?

conductivity, mho

asked
Jan 7, 2018
by
anonymous

what is the reciprocal of admittance?

impedance is the reciprocal of admittance.

asked
Sep 30, 2017
by
anonymous

Reciprocal of reluctance is?

Reciprocal of reluctance is permeance.

asked
Mar 25, 2018
by
anonymous

Conductance is reciprocal of?

Conductance is reciprocal of resistance.

asked
Mar 25, 2018
by
anonymous

What is the unit of reactance?

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

asked
Jan 7, 2018
by
anonymous

What is the inverse of reactance?

Inverse of reactance is Susceptance .Unit of Susceptance is Siemens.

asked
Jan 7, 2018
by
anonymous

What do you mean by exciting resistance and exciting reactance?

asked
Apr 28, 2020
by
anonymous

Capacitive reactance

Capacitive reactance formula

asked
Jun 11, 2019
by
anonymous

Parallel Reactance and Resistance Example 1

Parallel Reactance and Resistance Example 1

asked
May 30, 2019
by
anonymous

AC Circuits with Resistance but No Reactance

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.

asked
May 26, 2019
by
anonymous

Capacitive reactance is more when?

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

asked
Mar 24, 2018
by
anonymous

Define impedance diagram and reactance diagram.

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.

asked
May 6, 2020
by
anonymous

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

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

asked
May 8, 2018
by
anonymous

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

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

asked
May 3, 2018
by
anonymous

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 suited for long transmission line protection (4) Reactance relays are widely used for protection of Medium transmission lines (A) All of them (B) (1) and (3) (C) (2) and (4) (D) (1), (2) and (4)

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)

asked
Apr 29, 2018
by
anonymous

Reactance relay is normally preferred for protection against

Reactance relay is normally preferred for protection against earth faults

asked
Apr 29, 2018
by
anonymous

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) is greater than that of a normal induction motor (D) may be less or greater than that of a normal induction motor

C

asked
Apr 28, 2018
by
anonymous

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

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

asked
Apr 28, 2018
by
anonymous

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

A reactance relay is Directional restrained over-current relay

asked
Apr 28, 2018
by
anonymous

Circuits with XL Alone

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.

asked
May 26, 2019
by
anonymous

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?

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.

asked
Mar 20, 2018
by
anonymous

Reciprocal of conductivity is resistivity.

asked
Sep 19, 2017
by
anonymous

what is the reciprocal of resistance ?

reciprocal of resistance is conductance.

asked
Aug 16, 2017
by
anonymous

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

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

asked
Apr 12, 2018
by
anonymous

asked
Nov 28, 2018
by
Deepak gupta

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

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

asked
Apr 25, 2018
by
anonymous

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

asked
Apr 9, 2018
by
anonymous

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

asked
Apr 5, 2018
by
anonymous

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

asked
Apr 5, 2018
by
anonymous

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.

asked
May 27, 2019
by
anonymous

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

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

asked
May 13, 2018
by
anonymous

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

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

asked
Apr 25, 2018
by
anonymous

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.

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.

asked
Apr 25, 2018
by
anonymous

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.

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.

asked
Apr 25, 2018
by
anonymous

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%

asked
Apr 14, 2018
by
anonymous

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

x = 1.732R

asked
Apr 11, 2018
by
anonymous

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 circuit current at constant field current (C) open circuit voltage and short circuit current at different field current (D) short circuit voltage and open circuit current at different field current

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

asked
Apr 9, 2018
by
anonymous

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

asked
Apr 5, 2018
by
anonymous

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

asked
Mar 31, 2018
by
anonymous

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.

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.

asked
Mar 24, 2018
by
anonymous

Successful Communication in classroom teaching is (A) Circular (B) Reciprocal (C) Directional (D) Influential

(B) Reciprocal

asked
Feb 16
by
anonymous

The sum of a positive number and its reciprocal is twice the difference of the number and its reciprocal. The number is : (A) √2 (B) 1/√2 (C) √3 (D) 1/√3

Answer: C

asked
Feb 11
by
anonymous

Which one of the following is correct, when a class grants friend status to another class? (A) The member functions of the class generating friendship can access the members of the friend class. (B) All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship. (C) Class friendship is reciprocal to each other (D) There is no such concept.

All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship.

asked
Feb 7
by
anonymous

A transmission line to be reciprocal, the condition is (a) A = D (b) AC – BD = 1 (c) AD – BC = 1 (d) AB – CD = 1

asked
May 25, 2018
by
anonymous

Reciprocal of permeability is reluctivity.

asked
Mar 29, 2018
by
anonymous

Draw circuit diagram of transistor reactance modulator. Explain its working.

Explanation- A reactance modulator is illustrated in figure. It is basically a standard commonemitter class A amplifier. Resistors R1 and R2 from a voltage divider to bias ... frequency, whereas a lower capacitance increases the frequency. The circuit produces direct frequency modulations.

asked
5 days ago
by
anonymous

Explain reactance modulator for FM generation.

Explanation :- Audio modulating signal is applied to Q1 which varies the base voltage and current of Q1 according to the input information to be transmitted. The collector current ... lower the frequency & decrease capacitance increase the frequency and thus produce direct FM at output.

asked
6 days ago
by
anonymous

A series combination of resistance 100 ohm and capacitance 50µf is connected in series to a 230 V, 50HZ supply. Calculate (i) Capacitive reactance (ii) Current (iii) Power factor (iv) Power consumed

For RC series circuit

asked
Jan 7
by
anonymous

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