The problem of Electro-static coupling in a transformer is acute at

by

1 Answer

Answer :

The problem of Electro-static coupling in a transformer is acute at High frequencies.

by

Related questions

Electro-static precipitator is used to control – (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Description : Electro-static precipitator is used to control – (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Last Answer : (4) Air Pollutants Explanation: An Electrostatic precipitator is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. ... and can easily remove fine particulate matter such as dust and smoke from the air stream.

The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the (A) Venturi atomiser (B) Gravity settling chamber (C) Electro-static precipitator (D) Cyclone separator

Description : The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the (A) Venturi atomiser (B) Gravity settling chamber (C) Electro-static precipitator (D) Cyclone separator

Last Answer : (C) Electro-static precipitator

Find the force experienced by an electromagnetic wave in a conductor? a) Electrostatic force b) Magneto static force c) Electro motive force d) Lorentz force

Description : Find the force experienced by an electromagnetic wave in a conductor? a) Electrostatic force b) Magneto static force c) Electro motive force d) Lorentz force

Last Answer : d) Lorentz force

Electro-static precipitator is used to control (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Description : Electro-static precipitator is used to control (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants

Last Answer : Air Pollutants

In a transformer, with closed magnetic coupling between primary and secondary __ will improve: a) Efficiency b) All day efficiency c) Regulation d) None of the above

Description : In a transformer, with closed magnetic coupling between primary and secondary __ will improve: a) Efficiency b) All day efficiency c) Regulation d) None of the above

Last Answer : Ans: C

The transistors in the illustrated circuit are connected using what type of coupling? EL-0049 A. RC coupling B. transformer coupling C. LC coupling D. direct coupling

Description : The transistors in the illustrated circuit are connected using what type of coupling? EL-0049 A. RC coupling B. transformer coupling C. LC coupling D. direct coupling

Last Answer : Answer: B

The transistors in the illustrated circuit are connected using what type of coupling? EL-0048 A. RC coupling B. transformer coupling C. LC coupling D. direct coupling

Description : The transistors in the illustrated circuit are connected using what type of coupling? EL-0048 A. RC coupling B. transformer coupling C. LC coupling D. direct coupling

Last Answer : Answer: A

The transistors in the illustrated circuit are connected using what type of coupling? EL-0051 A. RC coupling B. transformer coupling C. impedance coupling D. direct coupling

Description : The transistors in the illustrated circuit are connected using what type of coupling? EL-0051 A. RC coupling B. transformer coupling C. impedance coupling D. direct coupling

Last Answer : Answer: D

The transistors in the illustrated circuit are connected using what type of coupling? EL-0050 A. RC coupling B. transformer coupling C. Impedance coupling D. direct coupling

Description : The transistors in the illustrated circuit are connected using what type of coupling? EL-0050 A. RC coupling B. transformer coupling C. Impedance coupling D. direct coupling

Last Answer : Answer: C

What effect does flux leakage in a transformer have on the coefficient of coupling (K) in the transformer?

Description : What effect does flux leakage in a transformer have on the coefficient of coupling (K) in the transformer?

Last Answer : it causes K to be less than unity (I).

What effect does flux leakage in a transformer have on the coefficient of coupling (K) in the transformer?

Description : What effect does flux leakage in a transformer have on the coefficient of coupling (K) in the transformer?

Last Answer : it causes K to be less than unity (I).

Transformer coupling is used in class A amplifier to make it : -

Description : Transformer coupling is used in class A amplifier to make it : -  a) more efficient b) less bulky c) less costly d) distortion free

Last Answer : Transformer coupling is used in class A amplifier to make it : - more efficient

One advantage of transformer coupling in transistor amplifier is that:

Description : One advantage of transformer coupling in transistor amplifier is that:  (1) it provides excellent frequency response (2) It is simple and less expensive than others (3) Low power supply may be used (4) High efficiency and high power output is obtained.

Last Answer : One advantage of transformer coupling in transistor amplifier is that: High efficiency and high power output is obtained.

Transformer coupling introduces which type of distortion?

Description : Transformer coupling introduces which type of distortion?

Last Answer : Transformer coupling introduces Cross over distortion.

The desirable static characteristics of a measuring system are?

Last Answer : The desirable static characteristics of a measuring system are accuracy, sensitivity and reproducibility.

In a single-phase transformer, the magnetizing current is

Description : In a single-phase transformer, the magnetizing current is (A) in phase with the no-load current (B) in quadrature with the no-load current (C) the product of no-load current and power factor (D) in phase with the flux in the core

Last Answer : In a single-phase transformer, the magnetizing current is in phase with the flux in the core

An instrument transformer is used to extend the range of

Last Answer : An instrument transformer is used to extend the range of induction instrument.

The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a?

Last Answer : The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a two-phase winding.

A phase shifting transformer is used in conjunction with?

Last Answer : A phase shifting transformer is used in conjunction with Drysdale potentiometer.

In replacing a defective transformer with a new one, which of the following actions must be carried out to insure proper operation of the equipment it serves? A. The secondary leads must be grounded for 10 minutes to remove static charges. B. The transformer connections must be made as before with regard to the indicated polarity. C. The iron core of the transformer must be flashed to pre-magnetize it. D. The iron core must be grounded for 10 minutes to remove any residual magnetism.

Description : In replacing a defective transformer with a new one, which of the following actions must be carried out to insure proper operation of the equipment it serves? A. The secondary leads must be grounded ... magnetize it. D. The iron core must be grounded for 10 minutes to remove any residual magnetism.

Last Answer : Answer: B

What is the static pressure of diaphragm in the transformer explosion vent?

Description : What is the static pressure of diaphragm in the transformer explosion vent?

Last Answer : 5 psi.  

Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical ? (a) Static condenser (b) Synchronous condenser (c) Tap changing transformer (d) Booster transformer

Description : Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical ? (a) Static condenser (b) Synchronous condenser (c) Tap changing transformer (d) Booster transformer

Last Answer : (d) Booster transformer

why transformer is called static device?

Last Answer : Because Transformer do not have any moving part hence transformer is called static device.

How to deal with acute hair-fall problem?

Description : How to deal with acute hair-fall problem?

Last Answer : Get your blood work done to see how your thyroid and vitamin levels are. High TSH or low vitamin levels can cause hair loss.

Nonadherence to therapeutic regimens is a significant problem for which of the following age groups? a) Adults 65 and over Elderly people frequently have one or more chronic illnesses that are managed with numerous medications and complicated by periodic acute episodes, making adherence difficult. b) Teenagers Problems of teenagers, generally, are time limited and specific, and require promoting adherence to treatment to return to health. c) Children In general, the compliance of children depends on the compliance of their parents. d) Middle-aged adults Middle-aged adults, in general, have fewer health problems, thus promoting adherence.

Description : Nonadherence to therapeutic regimens is a significant problem for which of the following age groups? a) Adults 65 and over Elderly people frequently have one or more chronic illnesses that are ... -aged adults Middle-aged adults, in general, have fewer health problems, thus promoting adherence.

Last Answer : a) Adults 65 and over Elderly people frequently have one or more chronic illnesses that are managed with numerous medications and complicated by periodic acute episodes, making adherence difficult.

Sri Arvind Kejriwal has been selected for the Ramon Magsaysay Award for 2006 for his important contribution in the field. (1) Formation of Pani (water Panchayats in Rajasthan helping rural people in facing their acute water problem (2) Effective implementation of the “National Minimum Employment Guarantee Scheme” in rural areas. (3) ‘Right to Information’ movement and empow7ering citizens to fight corruption. (4) Extending education to children of slum dwellers in Delhi.

Description : Sri Arvind Kejriwal has been selected for the Ramon Magsaysay Award for 2006 for his important contribution in the field. (1) Formation of Pani (water Panchayats in Rajasthan helping rural people in ... citizens to fight corruption. (4) Extending education to children of slum dwellers in Delhi. 

Last Answer : ‘Right to Information’ movement and empow7ering citizens to fight corruption.

To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that arecalled a.static elements b.dynamic elements c.infinite elements d.finite elements

Description : To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that arecalled a.static elements b.dynamic elements c.infinite elements d.finite elements

Last Answer : d.finite elements

Atmospheric noise or static is not a great problem A. at frequencies below 20 MHz B. at frequencies below 5 MHz C. at frequencies above 30 MHz D. at frequencies above 1 MHz

Description : Atmospheric noise or static is not a great problem A. at frequencies below 20 MHz B. at frequencies below 5 MHz C. at frequencies above 30 MHz D. at frequencies above 1 MHz

Last Answer : C. at frequencies above 30 MHz

____________ is/are useful when the original formulation of a problem is altered in some way, typically because the set of constraints to consider evolves because of the environment. a) Static CSPs b) Dynamic CSPs c) Flexible CSPs d) None of the mentioned

Description : ____________ is/are useful when the original formulation of a problem is altered in some way, typically because the set of constraints to consider evolves because of the environment. a) Static CSPs b) Dynamic CSPs c) Flexible CSPs d) None of the mentioned

Last Answer : b) Dynamic CSPs

In addition to three Central problem of economy, the additional problem(s) raised by the Modern economists is / are (a) Are the resources fully utilized or not ; (b) How efficient is the production and distribution system; (c) Whether the capacity to produce or grow is increasing or is static ; (d) All the three

Description : In addition to three Central problem of economy, the additional problem(s) raised by the Modern economists is / are (a) Are the resources fully utilized or not ; (b) How efficient is the production and ... (c) Whether the capacity to produce or grow is increasing or is static ; (d) All the three

Last Answer : (d) All the three

Are lip studs (and other body jewelry) electro-conductive?

Description : Are lip studs (and other body jewelry) electro-conductive?

Last Answer : Normally, studs and the like are of silver or gold which are excellent electrical conductors.

How does Electro Convulsive Therapy (ECT in case I phrased that wrong) work?

Description : How does Electro Convulsive Therapy (ECT in case I phrased that wrong) work?

Last Answer : When in the Psych Ward, I heard from most of the patients who got it that it was like hitting control alt delete for the brain. Just a nice little, and much needed, restart.

Is there a test to prove that an EMF (electro-magnetic field) has damaged human body?

Description : Is there a test to prove that an EMF (electro-magnetic field) has damaged human body?

Last Answer : So you believe that EMF radiation does physiologic damage to the human body? If so, what makes you think this?

What is some good software for producing electronic ambient/trance/electro-pop music on a home PC?

Description : What is some good software for producing electronic ambient/trance/electro-pop music on a home PC?

Last Answer : I dunno about open source but why would you need the code to make music? Fruity loops is good tho if you run windows. On mac logic is my first choice

5. Who built the first working, programmable, electro mechanical computer? -Discoveries and Inventions

Description : 5. Who built the first working, programmable, electro mechanical computer? -Discoveries and Inventions

Last Answer : Explanation: Konrad Zuse built the world's first program-controlled computer.

Who in 1786 invented the gold leaf electro scope?

Description : Who in 1786 invented the gold leaf electro scope?

Last Answer : Answer: Abraham Bennet.

What is Electro Optical Instrument ?

Description : What is Electro Optical Instrument ?

Last Answer : : Electro-optical instruments are the instruments which are produced by the electrical system and the instruments are used to measure and diagnose the faults . Such as- autoclimate , micro comparator etc.

What do you mean by Electro cardiograph?

Description : What do you mean by Electro cardiograph?

Last Answer : Electrocardiograph is recording of heart's electrical activity over a period of time.The graph shows the rate and rythm.This one is primary clinical tool to perform electrical and mechanical function of heart.

Statement-1: Zn displaces Ag from the complex `Na[Ag(CN)_(2)]` to give `Na_(2)[Zn(CN)_(4)]` Statement-2:Zn is more electro positive than silver

Description : Statement-1: Zn displaces Ag from the complex `Na[Ag(CN)_(2)]` to give `Na_(2)[Zn(CN)_(4)]` Statement-2:Zn is more electro positive than silver

Last Answer : Statement-1: Zn displaces Ag from the complex `Na[Ag(CN)_(2)]` to give `Na_(2)[Zn(CN)_(4) ... false D. Statement-1 is false but Statement -2 is true

Electrolytic reduction of `Al_(2)O_(3)`. Electrolyte (`Al_(2)O_(3)+"cryolite")` Anode: Graphite rods. Coke powder is spreadded over the molten electro

Description : Electrolytic reduction of `Al_(2)O_(3)`. Electrolyte (`Al_(2)O_(3)+"cryolite")` Anode: Graphite rods. Coke powder is spreadded over the molten electro

Last Answer : Electrolytic reduction of `Al_(2)O_(3)`. Electrolyte (`Al_(2)O_(3)+"cryolite")` Anode: Graphite rods. ... of molten aluminium by air D. (a) both (b)

Which of the following is not electro-mechanical computer? A) Z3 B) ABC C) mark I D) ENIAC

Description : Which of the following is not electro-mechanical computer? A) Z3 B) ABC C) mark I D) ENIAC

Last Answer : Answer : D

Computers built before the First Generation of computers were: A) Mechanical B) Electro-mechanical C) Electrical D) None of these

Description : Computers built before the First Generation of computers were: A) Mechanical B) Electro-mechanical C) Electrical D) None of these

Last Answer : Answer : B

Which of the following have low failure rate? A) mechanical devices B) electronic devices C) electro-mechanical devices D) None of above

Description : Which of the following have low failure rate? A) mechanical devices B) electronic devices C) electro-mechanical devices D) None of above

Last Answer : Answer : B

Which technology is used in Compact disks? A) Mechanical B) Electrical C) Electro Magnetic D) Laser

Description : Which technology is used in Compact disks? A) Mechanical B) Electrical C) Electro Magnetic D) Laser

Last Answer : Answer : D

Why ABC is considered electro-mechanical computer? A) Because it was invented before electronic computers were developed B) Because there are wheels, drums, bars to rotate and move to produce result C) Because they use the flow of electrons in different component D) None of above

Description : Why ABC is considered electro-mechanical computer? A) Because it was invented before electronic computers were developed B) Because there are wheels, drums, bars to rotate and move to produce result C) Because they use the flow of electrons in different component D) None of above

Last Answer : Answer : B

Which technology is more reliable? A) Mechanical B) Electro-Mechanical C) Electronic D) For reliability it does not matter. So all of above are reliable

Description : Which technology is more reliable? A) Mechanical B) Electro-Mechanical C) Electronic D) For reliability it does not matter. So all of above are reliable

Last Answer : Answer : C

Which of the following is not electro-mechanical computer? A) Mark I B) ABC C) Zuse D) UNIVAC

Description : Which of the following is not electro-mechanical computer? A) Mark I B) ABC C) Zuse D) UNIVAC

Last Answer : Answer : D

When was the first electro-mechanical computer developed? A) 1880 B) 1990 C) 1944 D) None of above

Description : When was the first electro-mechanical computer developed? A) 1880 B) 1990 C) 1944 D) None of above

Last Answer : Answer : C

Electro magnetic radiation is emitted by (a) X-ray (b) Electrons (c) Ultrasonic (d) Protons

Description : Electro magnetic radiation is emitted by (a) X-ray (b) Electrons (c) Ultrasonic (d) Protons

Last Answer : Ans:(b)