A transformer works on the principle of (1) Self induction (2) Mutual induction (3) Generator (4) Inverter

A transformer works on the principle of (1) Self induction (2) Mutual induction (3) Generator (4) Inverter
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Mutual induction
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A transformer works on the principle of – (1) Self induction (2) Mutual induction (3) Generator (4) Inverter

Description : A transformer works on the principle of – (1) Self induction (2) Mutual induction (3) Generator (4) Inverter

Last Answer : (2) Mutual induction

A transformer works on the basic principle of ____________. A. self impedance B. attraction and repulsion C. mutual induction D. increasing power

Description : A transformer works on the basic principle of ____________. A. self impedance B. attraction and repulsion C. mutual induction D. increasing power

Last Answer : Answer: C

The principle of AC generator is: a. Mutual induction b. self induction c. electromagnetic induction d. Induction

Description : The principle of AC generator is: a. Mutual induction b. self induction c. electromagnetic induction d. Induction

Last Answer : b. self induction

Which common devices works on the basis of the principle of mutual induction?

Description : Which common devices works on the basis of the principle of mutual induction?

Last Answer : – Transformer

Which common devices works on the basis of the principle of mutual induction? -Do You Know?

Description : Which common devices works on the basis of the principle of mutual induction? -Do You Know?

Last Answer : answer:

Which common devices works on the basis of the principle of mutual induction?

Description : Which common devices works on the basis of the principle of mutual induction?

Last Answer : Transformer

The basic operating principle of a transformer is attributed to ______________. A. electromagnetic induction B. variance of a conductor in a magnetic field C. mutual reaction D. thermionic emission

Description : The basic operating principle of a transformer is attributed to ______________. A. electromagnetic induction B. variance of a conductor in a magnetic field C. mutual reaction D. thermionic emission

Last Answer : Answer: A

The application of mutual induction is: a. TV b. Radio c. Transformer d. Motor

Description : The application of mutual induction is: a. TV b. Radio c. Transformer d. Motor

Last Answer : c. Transformer

What are the use of mutual induction and self-induction?

Description : What are the use of mutual induction and self-induction?  

Last Answer : Use of mutual induction a. Transformers are works on this principle. b. An inductance furnace makes use of it. c. Used in ignition coils of motor car, motor cycles, scooters etc. Use of ... 's normal working time. c. Used in welding plant rectifiers to keep arc stationary by smoothing choke. 

The left hand rule correlates to (a) current, induced e.m.f. and direction of force on a conductor (b) magnetic field, electric field and direction of force on a conductor (c) self induction, mutual induction and direction of force on a conductor (d) current, magnetic field and direction of force on a conductor

Description : The left hand rule correlates to (a) current, induced e.m.f. and direction of force on a conductor (b) magnetic field, electric field and direction of force on a conductor (c) self induction, ... and direction of force on a conductor (d) current, magnetic field and direction of force on a conductor

Last Answer : (d) current, magnetic field and direction of force on a conductor

The phenomenon of producing emf in the coil due to change of current in the coil itself is called: a. mutual induction b. self-induction c. self-inductance d. mutual inductance

Description : The phenomenon of producing emf in the coil due to change of current in the coil itself is called: a. mutual induction b. self-induction c. self-inductance d. mutual inductance

Last Answer : d. mutual inductance

When TG works as induction generator?

Description : When TG works as induction generator?

Last Answer : When excitation alone lost.  

Induction generator is self excited machine. a) True b) False

Description : Induction generator is self excited machine. a) True b) False

Last Answer : Ans: B

The device that most commonly utilizes the principle of electromagnetic induction is the _____________. A. diode B. transformer C. transistor D. rheostat

Description : The device that most commonly utilizes the principle of electromagnetic induction is the _____________. A. diode B. transformer C. transistor D. rheostat

Last Answer : Answer: B

In a 3-phase voltage source inverter used for speed control of induction motor, anti-parallel diodes are used

Description : In a 3-phase voltage source inverter used for speed control of induction motor, anti-parallel diodes are used across each switching device. The main purpose of diodes is to:

Last Answer : In a 3-phase voltage source inverter used for speed control of induction motor, anti-parallel diodes are used across each switching device. The main purpose of diodes is to: Allow the motor to return energy during regeneration

What type of circuit is on card 'A0AA2' at coordinate '29Q' shown in the illustration? EL-0099 A. Operational amplifier B. Digital logic inverter C. Square wave pulse generator D. Binary counter

Description : What type of circuit is on card 'A0AA2' at coordinate '29Q' shown in the illustration? EL-0099 A. Operational amplifier B. Digital logic inverter C. Square wave pulse generator D. Binary counter

Last Answer : Answer: A

The MIL is illuminated and a battery module deterioration diagnostic trouble code is stored the most like cause is a failed by a) High voltage battery b) High voltage inverter c) Motor/ generator d) DC/ DC converter

Description : The MIL is illuminated and a battery module deterioration diagnostic trouble code is stored the most like cause is a failed by a) High voltage battery b) High voltage inverter c) Motor/ generator d) DC/ DC converter

Last Answer : a) High voltage battery

The transformer works on the principle of:

Description : The transformer works on the principle of: (A) Mutual induction (B) Mutual capacitance (C) All of the above (D) None of the above

Last Answer : The transformer works on the principle of:  Mutual induction

on which principle transformer works?

Description : on which principle transformer works?

Last Answer : Electromagnetic induction

What is the speciality of the inverter output transformer? Why it is provided?

Description : What is the speciality of the inverter output transformer? Why it is provided? 

Last Answer : a) This eliminates all 3rd harmonics in the output voltage. b) Solid earthed neutral is required for the inverter output, hence the interconnected star winding is essential. c) ... will cause circulating current between inverters during unbalanced faults. The inverters cannot withstand this. 

What is meant by mutual induction?

Description : What is meant by mutual induction?

Last Answer : The production of induced e.m.f in secondary coil due to change of current in a neighbouring primary coil is called mutual induction.

Mutual induction is dependent on

Last Answer : Mutual induction is dependent on current changes.

Where is mutual induction used?

Last Answer : Mainly in transformers

Which one of the following laws best describes the operation of an electric generator? w) Ampere's Law x) Gauss' Law y) Ohm's Law for Conductors z) Faraday's Law of Induction

Description : Which one of the following laws best describes the operation of an electric generator? w) Ampere's Law x) Gauss' Law y) Ohm's Law for Conductors z) Faraday's Law of Induction

Last Answer : ANSWER: Z -- FARADAY'S LAW OF INDUCTION 

In a self-controlled synchronous motor fed from a variable frequency inverter

Description : In a self-controlled synchronous motor fed from a variable frequency inverter  (1) the rotor poles invariably have damper windings  (2) there are stability problems  (3) the speed of the rotor decides stator frequency  (4) the frequency of the stator decides the rotor speed

Last Answer : 2

A device used for converting A.C. into D.C. is called – (1) Transformer (2) Rectifier (3) Induction coil (4) Dynamo

Description : A device used for converting A.C. into D.C. is called – (1) Transformer (2) Rectifier (3) Induction coil (4) Dynamo

Last Answer : (2) Rectifier Explanation: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in ... -arc valves, solidstate diodes, silicon-controlled rectifiers and other silicon-based semiconductor switches.

A device used for converting a.c. into d.c. is called (1) transformer (2) recticfier (3) induction coil (4) dynamo

Description : A device used for converting a.c. into d.c. is called (1) transformer (2) recticfier (3) induction coil (4) dynamo

Last Answer : recticfier

How does mutual Funds SIP WORKS?

Description : How does mutual Funds SIP WORKS?

Last Answer : SIP or Systematic Investment Plan or SIP mutual fund is one of the most searches by people on Google. Many investors want to know about SIPs. Via SIPs you can become millionaires or billionaires by ... are assumed returns & actual returns may vary.For more details, kindly click the following link:-

Is there a Mutual Fund Calculator that really works?

Description : Is there a Mutual Fund Calculator that really works?

Last Answer : There are several online mutual fund calculators to choose from. One of the most reliable can be found at the U.S. Securities and Exchange Commission's website (http://www.sec.gov/investor/tools/mfcc/get-started.htm).

What is the mutual flux of transformer ?

Description : What is the mutual flux of transformer ?

Last Answer : Answer : Connecting AC , CERS to any one of the coils of the transformer creates a variable magnetic force line in the coil , which intersects the adjacent coil. As a result, voltage is ... , this induced voltage is the transformer voltage and this variable magnetic force line is called mutual flux.

27] In a transformer, the leakage flux of each winding is proportional to the current in that winding because A. Ohm's law applies to magnetic circuits B. Leakage paths do no saturate C. the two windings are electrically isolated D. mutual flux is confined to the core

Description : 27] In a transformer, the leakage flux of each winding is proportional to the current in that winding because A. Ohm's law applies to magnetic circuits B. Leakage paths do no saturate C. the two windings are electrically isolated D. mutual flux is confined to the core

Last Answer : B. Leakage path do not saturate

12] Which is not the basic element of the transformer? A. core B. primary winding C. secondary winding D. mutual flux

Description : 12] Which is not the basic element of the transformer? A. core B. primary winding C. secondary winding D. mutual flux

Last Answer : D. Mutual flux

‘Self-help by mutual help’ is a feature of– (A) Public enterprise (B) Public corporation (C) Co-operative society (D) All of the above

Description : ‘Self-help by mutual help’ is a feature of– (A) Public enterprise (B) Public corporation (C) Co-operative society (D) All of the above

Last Answer : Answer: Co-operative society

The Si unit of mutual inductance and self inductance is: a.same b. different c. no unit d. a & b

Description : The Si unit of mutual inductance and self inductance is: a.same b. different c. no unit d. a & b

Last Answer : b. different

Define self-inductance and mutual inductance.

Description : Define self-inductance and mutual inductance.

Last Answer : Self-inductance: As per the Lenz's law, the self-inducedemf opposes any current change taking place. This property of the coil to oppose any change in current flowing through it is known as the self- ... in the other coil placed nearby, by induction. It is denoted by M and measured in Henry.  

Define self and mutual induced emf.

Description : Define self and mutual induced emf.

Last Answer : Self-induced emf: Self-induced emf is the e.m.f induced in the coil due to the change of flux produced by linking it with its own turns. Mutual induced emf: The emf induced in a coil due to the change of flux produced by another neighbouring coil linking to it, is called Mutually Induced emf.   

A transformer works with (1) alternating current only (2) direct current only (3) both AC and DC (4) any signal

Description : A transformer works with (1) alternating current only (2) direct current only (3) both AC and DC (4) any signal

Last Answer : alternating current only

A vacuum cleaner works on the principle of pressure difference. On the moon it will – (1) work as efficiently as on the earth (2) not work at all (3) work with reduced efficiency (4) work with increased efficiency

Description : A vacuum cleaner works on the principle of pressure difference. On the moon it will – (1) work as efficiently as on the earth (2) not work at all (3) work with reduced efficiency (4) work with increased efficiency

Last Answer : (2) not work at all Explanation: Vacuum cleaners work by creating a lower pressure just inside the opening which touches the floor. By creating a low pressure inside the machine, higher air pressure in the room pushes its way into the vacuum cleaner, taking the dirt with it.

A fountain pen works on the principle of (1) Flow of liquids from higher to lower potential (2) Capillary action (3) Bernoulli's principle (4) Viscosity of liquids

Description : A fountain pen works on the principle of (1) Flow of liquids from higher to lower potential (2) Capillary action (3) Bernoulli's principle (4) Viscosity of liquids

Last Answer : (2) Capillary action Explanation: A fountain pen is a nib pen that, unlike its predecessor the dip pen, contains an internal reservoir of water-based liquid ink. The pen draws ink from the ... to flow in narrow spaces without the assistance of, and in opposition to external forces like gravity.

Rocket works on the principle of – (1) Newton's Third Law (2) Newton's First Law (3) Newton's Second Law (4) Archimedes Principle

Description : Rocket works on the principle of – (1) Newton's Third Law (2) Newton's First Law (3) Newton's Second Law (4) Archimedes Principle

Last Answer : (1) Newton's Third Law Explanation: The modern science of spaceflight and rockets rest on Newton's Three Laws of Motion, a set of ideas and equations developed in the 1600s. In particular, ... engines point rearward. The action of the engine thrust produces a reaction on the rocket, accelerating it.

The spring balance works on the principle of - (1) Boyle's Law (2) Hooke's Law (3) Bernoulli's principle (4) Pascal's Law

Description : The spring balance works on the principle of - (1) Boyle's Law (2) Hooke's Law (3) Bernoulli's principle (4) Pascal's Law

Last Answer : (2) Hooke's Law Explanation: A spring scale or spring balance or Newton meter is a type of weighing scale. It consists of spring fixed at one end with a hook to attach an object at the ... force needed to extend a spring is proportional to the distance that spring is extended from its rest position.

The washing machine works on the principle of – (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Description : The washing machine works on the principle of – (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Last Answer : (4) Centrifugation Explanation: Washing machines work on the principle of centrifugation. They are based on medium sized centrifuges that put an object in rotation around a fixed axis, applying force perpendicular to the axis.

Optical fibre works on the principle of (1) refraction (2) scattering (3) interference (4) total internal reflection

Description : Optical fibre works on the principle of (1) refraction (2) scattering (3) interference (4) total internal reflection

Last Answer : (4) total internal reflection Explanation: Since Torque = force x distance, to open a door easily, the handle should be fixed at the greatest distance from the hinges. If we pull with same force on a handle ... from the hinges, we will provide twice the torque, so it will be twice as easy to open.

Optical fibre works on the - (1) principle of refraction (2) total internal reflection (3) scattering (4) interference

Description : Optical fibre works on the - (1) principle of refraction (2) total internal reflection (3) scattering (4) interference

Last Answer : b) total internal reflection Explanation: Optical fiber is a cylindrical dielectric waveguide (non-conducting waveguide) that transmits light along its axis, by the process of total internal reflection.

A jet engine works, on the principle of conservation of - (1) linear momentum (2) angular momentum (3) energy (4) mass

Description : A jet engine works, on the principle of conservation of - (1) linear momentum (2) angular momentum (3) energy (4) mass

Last Answer : (1) linear momentum Explanation: Linear momentum is a vector quantity defined as the product of an object's mass, m, and its velocity, v. Linear momentum is denoted by the letter p and is called ... for short: Note that a body's momentum is always in the same direction as its velocity vector.

The washing machine works on the principle of - (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Description : The washing machine works on the principle of - (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Last Answer : (4) Centrifugation Explanation: Washing machines work on the principle of centrifugation. They are based on medium sized centrifuges that put an object in rotation around a fixed axis, applying force perpendicular to the axis.

Atomic power plant works on the principle of – (1) Fission (2) Fusion (3) Thermal combustion (4) Combined effect of all the above three

Description : Atomic power plant works on the principle of – (1) Fission (2) Fusion (3) Thermal combustion (4) Combined effect of all the above three

Last Answer : (1) Fission Explanation: A nuclear power plant is a facility at which energy released by the fissioning of atoms is converted to electrical energy under strictly regulated operating conditions. The major ... power plants except that the coal or oil fired boiler is replaced by a nuclear reactor.

A periscope works on the principle of (1) refraction (2) total internal reflection (3) diffraction (4) reflection

Description : A periscope works on the principle of (1) refraction (2) total internal reflection (3) diffraction (4) reflection

Last Answer : (2) total internal reflection Explanation: Total internal reflection (TIR) is the phenomenon that involves the reflection of the entire incident light off the boundary. Glass prisms can be shaped to ... at an angle greater than the critical angle of 42 and hence they are internally reflected.

A rocket works on the principle of conservation of ______. (1) mass (2) linear momentum (3) energy (4) angular momentum

Description : A rocket works on the principle of conservation of ______. (1) mass (2) linear momentum (3) energy (4) angular momentum

Last Answer : (2) linear momentum Explanation: A rocket works by expelling gases from one end at a very high velocity. The escaping gases have a very high speed and this with their mass translates to a very large momentum.

The spring balance works on the principle of __________ . (1) Boyle’s Law (2) Hooke’s Law (3) Bernoulli’s principle (4) Pascal’s Law

Description : The spring balance works on the principle of __________ . (1) Boyle’s Law (2) Hooke’s Law (3) Bernoulli’s principle (4) Pascal’s Law

Last Answer : Hooke’s Law