What is the unit of reluctance?

Question

What is the unit of reluctance?

B. Gauss

C. At/Wb

D. Weber

Correct Answer :

C. At/Wb

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A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about 12 grades.

A. Alnico

B. Brass

Discuss this answer

A test charge means a charge of

A. -1 C

C. +1 C

D. -20 C

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Which element has four valence electrons?

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If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total magnetomotive producing magnetic flux in the circuit is

A. 10 Wb

B. 50 T

D. 1000,t

Discuss this answer

Who demonstrated the theory of electromagnetic induction in 1831?

Discuss this answer

Under ordinary conditionsa a body is considered

D. stable

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Referred to as the specific reluctance of a material

Discuss this answer

Which of the following materials has permeability slightly less than that of free space?

Discuss this answer

If the value of 0 a conductor is 1/234 per oCa then the value of 18is

Discuss this answer

When the relative permeability of a material is slightly less than 1a it is called _____ material.

Discuss this answer

A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 × 10^-6

Discuss this answer

Who discovereda the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?

Discuss this answer

______ is an electromagnet with its core in the form of a close magnetic ring.

C. Toroid

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How much is the flux in Weber in the above problem?

Discuss this answer

The reluctance of a magnetic circuit is not dependent on which of the following?

Discuss this answer

Gases whose particles are charged are known as

D. Plasma

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Temporary magnets are commonly employed in

B. motors

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There are how many compounds available in nature?

A.

B.

Discuss this answer

Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume of the unit cell and is used to measure the compactness of a crystal.

Discuss this answer

The emf induced in a coil due to the change of its own flux linked with it is called

Discuss this answer

The current of electric circuit is analogous to which quantity of a m

A. Mmf

B. Flux

Discuss this answer

An effect which is generally used in the gausameter to measure flux density.

Discuss this answer

Steel is hard to magnetize because of its

Discuss this answer

The dielectric constant of most materials lies between

Discuss this answer

The force between two charges placed a given distance apart ______ as the relative permittivity of the medium is increased.

Discuss this answer

Germanium atom has protons and electrons.

A. 32, 32

B. 32, 42

C. 42, 32

D. 34, 34

Discuss this answer

If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then the end under observation is a south pole. This is known as

Discuss this answer

The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption or liberation of heat due to the non-uniformity in current distribution.

Discuss this answer

When the relative permeability of a material is much greater than 1a it is called _______ material.

Discuss this answer

A 200-watt lamp working for 24 hours will consume approximately _____ units.

A.

B.

Discuss this answer

Answer 1

A. Maxwell

Answer 2

C. Aluminum

Answer 3

D. Constantan

Answer 4

B. 1 electron

Answer 5

A. Conductor

Answer 6

B. Insulator

Answer 7

C. Semiconductor

Answer 8

D. Semi- insulator

Answer 9

C. 1000 A t/m

Answer 10

A. Michael Faraday

Answer 11

B. Andre Ampere

Answer 12

C. James Clerk Maxwell

Answer 13

D. Charles Coulomb

Answer 14

A. positively charged

Answer 15

B. neutral

Answer 16

C. negatively charged

Answer 17

A. Resistivity

Answer 18

B. Reluctivity

Answer 19

C. Conductivity

Answer 20

D. Permeability

Answer 21

A. Paramagnetic

Answer 22

B. Non- magnetic

Answer 23

C. Ferromagnetic

Answer 24

D. Diamagnetic

Answer 25

A. 1/218 per oC

Answer 26

B. 1/252 peroC

Answer 27

C. 1/272 per oC

Answer 28

D. 1/273 per oC

Answer 29

A. diamagnetic

Answer 30

B. ferromagnetic

Answer 31

C. paramagnetic

Answer 32

D. non-magnetic

Answer 33

A. 5 × 10^-6

Answer 34

B. 500 × 10^-6

Answer 35

C. 500 × 10^-5

Answer 36

A. Luigi Galvani

Answer 37

B. Hans Christian Oersted

Answer 38

C. Andre Ampere

Answer 39

D. Charles Coulomb

Answer 40

A. S olenoid

Answer 41

B. Paraboloid

Answer 42

D. Cycloid

Answer 43

A. 2 x 10^-5

Answer 44

B. 2 x 10^-3

Answer 45

C. 2 x 10^5

Answer 46

D. 2 x 10^3

Answer 47

A. Number of turns of coil

Answer 48

B. Magnetomotive force

Answer 49

C. Flux density in the circuit

Answer 50

D. Current in the coil

Answer 51

A. Conductors

Answer 52

B. Insulators

Answer 53

C. Gaseous Conductors

Answer 54

A. electric instruments

Answer 55

C. moving coils loudspeakers

Answer 56

D. magnetos

Answer 57

C. 300a000

Answer 58

D. Unlimited

Answer 59

A. Atomic packing factor (APF)

Answer 60

B. Ionic Packing Ratio (IPR)

Answer 61

C. Atomic compacting factor (ACF)

Answer 62

D. Ionic compacting ratio (ICR)

Answer 63

A. Mutually induced emf

Answer 64

B. Dynamically induced emf

Answer 65

C. Statically induced emf

Answer 66

D. Self induced emf

Answer 67

C. Flux density

Answer 68

D. R eluctivity

Answer 69

A. Skin effect

Answer 70

B. Magnetic effect

Answer 71

C. Hall effect

Answer 72

D. Flywheel effect

Answer 73

A. Low permeability

Answer 74

B. High permeability

Answer 75

C. High density

Answer 76

D. High retentivity

Answer 77

A. 1 and 10

Answer 78

B. 10 and 20

Answer 79

C. 20 and 50

Answer 80

D. 50 and 100

Answer 81

A. increases

Answer 82

B. decreases

Answer 83

C. remains unchanged

Answer 84

D. becomes infinite

Answer 85

A. Right hand rule

Answer 86

B. Left hand rule

Answer 87

C. Cork screw rule

Answer 88

D. End Rule

Answer 89

A. Bridgman effect

Answer 90

B. Corona effect

Answer 91

C. Dember effect

Answer 92

D. Destriau effect

Answer 93

A. diamagnetic

Answer 94

B. ferromagnetic

Answer 95

C. paramagnetic

Answer 96

D. non-magnetic

What is the unit of reluctance?

Correct Answer :

Show all Electricity Fundamentals MCQ

Related Questions

A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about 12 grades.

A test charge means a charge of

Which element has four valence electrons?

If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total magnetomotive producing magnetic flux in the circuit is

Who demonstrated the theory of electromagnetic induction in 1831?

Under ordinary conditionsa a body is considered

Referred to as the specific reluctance of a material

Which of the following materials has permeability slightly less than that of free space?

If the value of 0 a conductor is 1/234 per oCa then the value of 18is

When the relative permeability of a material is slightly less than 1a it is called _____ material.

A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 × 10^-6

Who discovereda the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?

______ is an electromagnet with its core in the form of a close magnetic ring.

How much is the flux in Weber in the above problem?

The reluctance of a magnetic circuit is not dependent on which of the following?

Gases whose particles are charged are known as

Temporary magnets are commonly employed in

There are how many compounds available in nature?

Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume of the unit cell and is used to measure the compactness of a crystal.

The emf induced in a coil due to the change of its own flux linked with it is called

The current of electric circuit is analogous to which quantity of a m

An effect which is generally used in the gausameter to measure flux density.

Steel is hard to magnetize because of its

The dielectric constant of most materials lies between

The force between two charges placed a given distance apart ______ as the relative permittivity of the medium is increased.

Germanium atom has protons and electrons.

If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then the end under observation is a south pole. This is known as

The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption or liberation of heat due to the non-uniformity in current distribution.

When the relative permeability of a material is much greater than 1a it is called _______ material.

A 200-watt lamp working for 24 hours will consume approximately _____ units.

Also checkout

What is the unit of reluctance?

Correct Answer :

Show all Electricity Fundamentals MCQ

Related Questions

A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about 12 grades.

A test charge means a charge of

Which element has four valence electrons?

If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total magnetomotive producing magnetic flux in the circuit is

Who demonstrated the theory of electromagnetic induction in 1831?

Under ordinary conditionsa a body is considered

Referred to as the specific reluctance of a material

Which of the following materials has permeability slightly less than that of free space?

If the value of 0 a conductor is 1/234 per oCa then the value of 18is

When the relative permeability of a material is slightly less than 1a it is called _____ material.

A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 × 10^-6

Who discovereda the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?

______ is an electromagnet with its core in the form of a close magnetic ring.

How much is the flux in Weber in the above problem?

The reluctance of a magnetic circuit is not dependent on which of the following?

Gases whose particles are charged are known as

Temporary magnets are commonly employed in

There are how many compounds available in nature?

Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume of the unit cell and is used to measure the compactness of a crystal.

The emf induced in a coil due to the change of its own flux linked with it is called

The current of electric circuit is analogous to which quantity of a m

An effect which is generally used in the gausameter to measure flux density.

Steel is hard to magnetize because of its

The dielectric constant of most materials lies between

The force between two charges placed a given distance apart ______ as the relative permittivity of the medium is increased.

Germanium atom has ______ protons and ______ electrons.

If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then the end under observation is a south pole. This is known as

The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption or liberation of heat due to the non-uniformity in current distribution.

When the relative permeability of a material is much greater than 1a it is called _______ material.

A 200-watt lamp working for 24 hours will consume approximately _____ units.

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Germanium atom has protons and electrons.