can induction heating is use for both magnetic and non magnetic material ?

Last Answer : The material used for making of: (1) Magnetic Core : Iron, cobalt, Nickel, CRGO, HRGO , silicon steel (2) Fuse Element: Tin- lead wire, Tinned copper wire

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234 views

The magnetic susceptibility of paramagnetic material is:

Description : The magnetic susceptibility of paramagnetic material is: A) Less than zero B) Less than one but positive C) Greater than one D) Equal to zero

Last Answer : The magnetic susceptibility of paramagnetic material is: Less than one but positive

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2.0k views

The property of a material which opposes the creation of magnetic flux in it is known as?

Description : The property of a material which opposes the creation of magnetic flux in it is known as?

Last Answer : The property of a material which opposes the creation of magnetic flux in it is known as reluctance.

1 answer

422 views

In a magnetic material hysteresis loss takes place primarily due to?

Description : In a magnetic material hysteresis loss takes place primarily due to?

Last Answer : In a magnetic material hysteresis loss takes place primarily due to it high retentivity.

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174 views

A material for good magnetic memory should have?

Description : A material for good magnetic memory should have?

Last Answer : A material for good magnetic memory should have high retentivity.

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750 views

Explain hysteresis loss, eddy current loss and skin effect limitations with reference to magnetic material.

Description : Explain hysteresis loss, eddy current loss and skin effect limitations with reference to magnetic material.

Last Answer : Hysteresis loss: Hysteresis loss is a loss which occurs due to the friction of magnetic domain due to the change in magnetic field in ferromagnetic material like iron. Hysteresis loss causes power loss ... loss in transformer is given by, We=Kef2Kf2Bm2watts Skin effect limitations:

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131 views

Electro Magnetic Induction

Description : Electro Magnetic Induction

Last Answer : Electro Magnetic Induction

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_________ is used for heating non -conducting materials.

Description : _______ is used for heating non -conducting materials. (1) Eddy current heating (2) Arc heating (3) Induction heating (4) Dielectric heating

Last Answer : Dielectric heating is used for heating non -conducting materials.

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206 views

Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Description : Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Last Answer : Parts Insulating Materials Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils. ... Transformer bushings Porcelain Insulation between transmission line and pole. Porcelain

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324 views

State advantages of electric heating over other types of heating methods.

Description : State advantages of electric heating over other types of heating methods.

Last Answer : Advantages of Electric heating over the other types of heating methods: 1. It can be put into service immediately. 2. No standby losses. 3. High efficiency. 4. More economical ... low attention and supervision. 14. Protection against overheating can be provided by suitable switch gear.

2 answers

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KVL solved problem non linear load VI characteristics equation

Description :

Last Answer : https://youtu.be/fgQTs-1hq7Q

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138 views

Two non -inverting amplifiers, one having a unity gain and the other having again of twenty are made using

Description : Two non -inverting amplifiers, one having a unity gain and the other having again of twenty are made using identical operational amplifiers. As compared to the unity gain amplifier, the amplifier with gain twenty has

Last Answer : Two non -inverting amplifiers, one having a unity gain and the other having again of twenty are made using identical operational amplifiers. As compared to the unity gain amplifier, the amplifier with gain twenty has less bandwidth

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102 views

Measurement of a non -electrical quantity involves the following four subsystems:

Description : Measurement of a non -electrical quantity involves the following four subsystems: a) amplifier block b) display block c) instrumentation block d) transducer block The correct, sequence in which these block occur is (1) d,a,c,b (2) d, c, a, b (3) a, c, b, d (4) a, b, c, d

Last Answer : Measurement of a non -electrical quantity involves the following four subsystems: a) amplifier block b) display block c) instrumentation block d) transducer block The correct, sequence in which these block occur is d,a,c,b

1 answer

60 views

What is a non linear load?

Description : What is a non linear load?

0 answers

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Why do non linear loads cause harmonics?

Description : Why do non linear loads cause harmonics?

0 answers

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Can underfloor heating be installed under the wooden floor ?

Description : Can underfloor heating be installed under the wooden floor ?

Last Answer : Under-floor hydronic or steam heat can certainly be installed underneath wooden floors. I have personally installed one instance of hydronic (hot water) heat system under wooden flooring, and have demolished ... heat, but I have visited such places on many occasions and found them very comfortable.

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What is the best cost effective way to use central heating.

Description : What is the best cost effective way to use central heating.

Last Answer : no don’t close the doors. The air needs to recycle itself, so you need proper circulation. close vents in rooms you don’t use and use directional vents pointing down (winter months) in the rooms you do. One last thing, make sure you have a clean filter.

1 answer

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How to Install Baseboard Heating

Description : How to Install Baseboard Heating

Last Answer : How to Install Baseboard Heating If you have a small apartment or room that you want to heat in an efficient manner, one effective method is by using electric baseboard heating. Installing it yourself might seem ... these steps and you're sure to have a cozy and warm indoor area, all the time.

1 answer

3 views

How to Make a Heating Pad ?

Description : How to Make a Heating Pad ?

Last Answer : A heating pad is a very important item to have around in the household. Whether it's a headache, menstrual cramps or other pains, a heating pad would make for a great help. This heating pad is also made ... is that there are a myriad of ways we can use for things that we think are no longer useful.

1 answer

8 views

How to install autonomous heating?

Description : How to install autonomous heating?

Last Answer : Autonomous heating and hot water supply is gaining popularity and is used not only in winter, but also in summer. The reason for this, as a rule, is large bills from utilities, as well as the ... a boiler, you should not save on the reliability of the boiler, on control equipment and on service.

1 answer

127 views

The frequencies and voltage used in Dielectric heating are

Description : The frequencies and voltage used in Dielectric heating are (A) 10 – 30 MHz, upto 25 kV (B) 50 – 60 Hz, upto 25 kV (C) 10 – 30 MHz, upto 100 V (D) 50 – 60 Hz, 110 V – 230 V

Last Answer : The frequencies and voltage used in Dielectric heating are 10 – 30 MHz, upto 25 kV

1 answer

157 views

In order that current should flow without causing excessive heating or voltage drop, the relay contacts should?

Last Answer : In order that current should flow without causing excessive heating or voltage drop, the relay contacts should have low contact resistance, be clean and smooth, be of sufficient size and proper shape.

1 answer

73 views

What is meant by resistance heating?

Description : What is meant by resistance heating?

0 answers

84 views

What is meant by dielectric heating?

Description : What is meant by dielectric heating?

0 answers

2 views

Did you realize the double standards here at fluther?

Description : Did you realize the double standards here at fluther?

Last Answer : Not to sound bossy; but Take a deep breath, turn off your computer, go for a walk around the block, when you get back take a long hot bath & then go to bed. Tomorrow morning will be a new day ... won't seem so major. I've lost 10 pounds since joining Fluther from my walks around the block!!! LoL

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47 views

Magnetic and Non-magnetic Materials

Description : Magnetic and Non-magnetic Materials

Last Answer : We have now looked at a number of ways in which matter can be grouped, such as into metals, semi-metals and non-metals; electrical conductors and insulators, and thermal conductors and insulators. ... information must be stored, in computers and TV's, as well as in generators and electric motors.

1 answer

249 views

Define magnetic permeability. State and explain the factors affecting permeability of magnetic materials

Description : Define magnetic permeability. State and explain the factors affecting permeability of magnetic materials

Last Answer : Permeability : The capability of the magnetic material to conduct the magnetic flux is known as permeability. Permeability and hysteresis loss are inversely related to each other. Factors ... impurities affect the geometric pattern of the crystals and are harmful to the magnetic property.

1 answer

183 views

What arc the errors occurring in measuring devices due to stray magnetic field and temp '? Explain how to compensate them.

Description : What arc the errors occurring in measuring devices due to stray magnetic field and temp '? Explain how to compensate them.

Last Answer : 1. Error due to stray magnetic fields- Main magnetic field gets disturbed by external magnetic fields known as stray magnetic fields. 2. Compensation technique To avoid this error, ... resistance alloy having a negligible resistance temp coefficient in the ratio of 1:10 for pressure coil

1 answer

201 views

Explain magnetic effect employed in measuring instrument.

Description : Explain magnetic effect employed in measuring instrument.

Last Answer : Magnetic Effect: I) In PMMC meters: ➢ When a current is passed through a conductor, magnetic field is produced round the conductor. Due to this field when current ... field it experiences a mechanical force. Examples: Electrodynamometer type instruments, Induction type instrument.

1 answer

833 views

Define the following terms: i) Magnetic flux density, ii) Reluctance, iii) Magneto-motive force, iv) Permeance.

Description : Define the following terms: i) Magnetic flux density, ii) Reluctance, iii) Magneto-motive force, iv) Permeance.

Last Answer : (i) Magnetic flux density (B): It is the magnetic flux per unit area measured at right angles to the flux path. (Its unit is weber/m2 or tesla). (ii) Reluctance: It is the ... flux to set up through it and it is reciprocal of reluctance. Permeance = 1/ Reluctance. Unit: weber/ampere.

1 answer

293 views

Derive an expression for energy stored in a magnetic field .

Description : Derive an expression for energy stored in a magnetic field .

Last Answer : Expression for energy stored in a magnetic field: The energy is stored in magnetic field when current increases and return back when the current decreases. At instant t' seconds after closer of switch ... energy absorbed by the magnetic field when current increases from 0 to I amperes

1 answer

82 views

What is magnetic hysteresis? What is the cause of hysteresis?

Description : What is magnetic hysteresis? What is the cause of hysteresis?

Last Answer : Magnetic hysteresis: When a magnetic material is subjected to cycle of magnetization, it is found that flux density (B) in the material lags behind applied magnetizing force (H). This ... the movement of orientation, due to which the flux density lags behind the magnetic field intensity.

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98 views

Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Description : Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Last Answer : Magnetic Lines of force- These are the imaginary lines (having no physical existence) introduced by Faraday for the pictorial representation of the distribution of a magnetic field. OR A line of ... that the tangent at any point gives direction of the resultant force at that point.

1 answer

303 views

Classify magnetic materials and explain in brief.

Description : Classify magnetic materials and explain in brief.

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { ... the absence of external magnetic field. Following are the ferromagnetic materials: Iron, Cobalt, Nickel.

1 answer

417 views

Compare electric and magnetic circuit.

Description : Compare electric and magnetic circuit.

Last Answer : Comparison between Magnetic and Electric Circuits

5 answers

70 views

Define magnetic circuit. Draw simple series magnetic circuit.

Description : Define magnetic circuit. Draw simple series magnetic circuit.

0 answers

90 views

Give the relation between magnetic field strength, magnetic flux density and permeability.

Description : Give the relation between magnetic field strength, magnetic flux density and permeability.

0 answers

145 views

Define magnetic flux density and state its formula.

Description : Define magnetic flux density and state its formula.

Last Answer : The magnetic flux per unit area is called as magnetic flux density. Magnetic flux density is denoted by B. The formula for magnetic flux density is Weber per metre square or Tesla. Mathematically ... the unit of magnetic flux density is Weber per metre square which is also called as Tesla.

1 answer

117 views

Define magnetic field strength and state its unit.

Description : Define magnetic field strength and state its unit.

Last Answer : Magnetic field strength is the force experienced by a unit N-pole when placed at any point in a magnetic field is known as magnetic field strength or magnetizing force. Magnetising force or magnetic field ... unit of length is metre. So the unit of magnetic field strength is ampere turns per metre.

1 answer

106 views

Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Description : Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Last Answer : Magnetic linens of force is the imaginary lines for magnetic field of magnet around it. These magnetic lines of forces are introduced by Michael Faraday. The direction of lines of force is from N-pole to S-pole. The figure shows lines of force for bar type magnet.

1 answer

119 views

Magnetic circuit breakers use _________

Description : Magnetic circuit breakers use _________ A) Permanent magnets B) Earth magnets C) Solenoid D) All the above

Last Answer : Magnetic circuit breakers use Solenoid

1 answer

109 views

Which of the following is a unit of magnetic flux?

Description : Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these

Last Answer : Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these

1 answer

362 views

What is the SI unit for magnetic reluctance?

Description : What is the SI unit for magnetic reluctance? A) Ampere B) Ampere-turns per weber C) Henry D) None of these

Last Answer : What is the SI unit for magnetic reluctance? A) Ampere B) Ampere-turns per weber C) Henry D) None of these

1 answer

88 views

Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity

Description : Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity of the electric current? A) Lenz’s law B) Faraday’s law C) Biot–Savart law D) None of these

Last Answer : Which of the following laws relates the magnetic field to the magnitude, direction, length, and proximity of the electric current? A) Lenz’s law B) Faraday’s law C) Biot–Savart law D) None of these

1 answer

94 views

The magnetic permeability of a diamagnet is _________

Description : The magnetic permeability of a diamagnet is _________ A) More than that of vacuum B) Same as that of vacuum C) Less than that of vacuum D) 3.14 times that of vacuum

Last Answer : The magnetic permeability of a diamagnet is Less than that of vacuum

1 answer

169 views

The magnetic neutral plane shifts in a dc machine

Description : The magnetic neutral plane shifts in a dc machine (A) in the direction of motion of motor (B) in the direction of motion of generator (C) due to increase in the field flux (D) cause reduction of flash over between commutator segments

Last Answer : The magnetic neutral plane shifts in a dc machine in the direction of motion of generator

1 answer

318 views

Those magnetic materials are best suited for making armature and transformer cores which have...

Description : Those magnetic materials are best suited for making armature and transformer cores which have____permeability and_______hystersis loss.

Last Answer : Those magnetic materials are best suited for making armature and transformer cores which have high permeability and low hystersis loss.

1 answer

anonymous · Answer 1 · 2018-03-06T09:35:28+0000

Yes, Induction heating is used for both magnetic and non-magnetic materials.

can induction heating is use for both magnetic and non magnetic material ?

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