Defined as the flux density produced in it due to its own induced magnetism

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Defined as the flux density produced in it due to its own induced magnetism

A. Magnetic field intensity

B. Electric field intensity

C. Electromagnetic field intensity

D. Intensity magnetization

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The force which set ups or tends to set up magnetic flux in a magnetic circuit

A. Dynamic force

B. Electromotive force

C. Potential difference

D. Magnetomotive force

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What revolves about the positive nucleus in a definite orbit?

A. Atom

B. Proton

C. Electron

D. Neutron

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A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.

A. Avogadro's number

B. Planck's constant

C. Boltzmann's constant

D. Madelung constant

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

A. Skin effect

B. Magnetic effect

C. Hall effect

D. Flywheel effect

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Who discovered superconductivity in 1911?

A. Kamerlingh Onnes

B. Alex Muller

C. GeoryBednorz

D. Charles Coulomb

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A law that states that the current in a thermionic diode varies directly with the three- halves power of anode voltage and inversely with the square of the distance between the electrodesa provided operating conditions are such that the current is limited only by the space charge.

A. Hall's law

B. Joule's law

C. Child's law

D. Coulomb's law

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Refers to the non- metallic materials that have the ferromagnetic properties of iron.

A. Ferrites

B. Ferromagnetic

C. Diamagnetic

D. Paramagnetic

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If the relative permittivity of a material is 10a then its permittivity is

A. 4 × 10^7F/m

B. 4 × 10^-6 F/m

C. 8.854× 10^-11 F/m

D. 8.854 × 10^-12 F/m

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A germanium atom has an atomic weight of72. How many neutrons are there?

A.

B.

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The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given by

A. 0 0= c^2

B. 0 0= c

C. 1/ 0 0= c

D. 1/ 0 0= c^2

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This paper does not exhibit electricity because it contains the same number of

A. protons and electrons

B. neutrons and electrons

C. neutrons and positrons

D. atoms

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What is the cgs unit of magnetomotive force?

A. Gilbert

B. Ampere- turn

C. Maxwell

D. Weber

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The property of a material which opposes the creation of magnetic flux in it

A. Resistance

B. Reluctance

C. Permeance

D. Conductance

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Lenz's law is the consequence of the law of conservation of

A. Energy

B. Charge

C. Field lines

D. Momentum

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Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring atoms or molecules.

A. Ionic bond

B. Covalent bond

C. Metallic bond

D. Van der Waals bond

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Permanent magnets can be found in

A. electric bells

B. earphones

C. relays

D. dy namic loudspeakers

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What is the unit of reluctance?

A. Maxwell

B. Gauss

C. At/Wb

D. Weber

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Which of the following is a diamagnetic material?

A. Aluminum

B. Silver

C. Air

D. Cobalt

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The direction of force o a current carrying conductor placed in a m found by

A. Cork screw rule

B. Fleming's left hand rule

C. Fleming's right hand rule

D. using a compass

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The electric potential at a point in air due to a charge is 21 V. If the air is replaced by a medium of relative permittivity of 3a then electric potential at that point will be

A. 63 V

B. 21 V

C. 7 V

D. 42 V

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Flux linkages equals

A. Flux times area of core

B. Flux times number of turns times area of core

C. Flux times number of turns times length of core

D. Flux times number of turns

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

A. Luigi Galvani

B. Hans Christian Oersted

C. Andre Ampere

D. Charles Coulomb

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Germanium atom has protons and electrons.

A. 32, 32

B. 32, 42

C. 42, 32

D. 34, 34

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The science of adapting electronics to aerospace flight.

A. Avionics

B. Aerotronics

C. Aerodynamics

D. Astrionics

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Electrons at the outer shell are called

A. Outer shell electrons

B. Inner shell electrons

C. Semiconductor electrons

D. Valence electrons

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Gases whose particles are charged are known as

A. Conductors

B. Insulators

C. Gaseous Conductors

D. Plasma

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Which of the following magnetic materials can be easily magnetized in both direction?

A. Soft magnetic materials

B. Hard magnetic materials

C. High hysteresis loss materials

D. Low hysteresis loss materials

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The core of a transformer heats up when its primary is fed from an ac source because of

A. permeability

B. ferromagnetism

C. reluctance of core

D. hysteresis loss

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The magnetic field inside a solenoid

A. is zero

B. is uniform

C. increases with distance from the axis

D. decreases with distance from the axis

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Magnetic effects of the earth as a huge magnet with north and south poles.

A. Diamagnetic

B. Ferromagnetic

C. Terrestrial magnetism

D. Terrestrial ferromagnetism

Discuss this answer

Accepted Answer

D. Intensity magnetization

Defined as the flux density produced in it due to its own induced magnetism

Correct Answer :

Show all Electricity Fundamentals MCQ

Related Questions

The force which set ups or tends to set up magnetic flux in a magnetic circuit

What revolves about the positive nucleus in a definite orbit?

A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.

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

Who discovered superconductivity in 1911?

A law that states that the current in a thermionic diode varies directly with the three- halves power of anode voltage and inversely with the square of the distance between the electrodesa provided operating conditions are such that the current is limited only by the space charge.

Refers to the non- metallic materials that have the ferromagnetic properties of iron.

If the relative permittivity of a material is 10a then its permittivity is

A germanium atom has an atomic weight of72. How many neutrons are there?

The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given by

This paper does not exhibit electricity because it contains the same number of

What is the cgs unit of magnetomotive force?

The property of a material which opposes the creation of magnetic flux in it

Lenz's law is the consequence of the law of conservation of

Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring atoms or molecules.

Permanent magnets can be found in

What is the unit of reluctance?

Which of the following is a diamagnetic material?

The direction of force o a current carrying conductor placed in a m found by

The electric potential at a point in air due to a charge is 21 V. If the air is replaced by a medium of relative permittivity of 3a then electric potential at that point will be

Flux linkages equals

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

Germanium atom has protons and electrons.

The science of adapting electronics to aerospace flight.

Electrons at the outer shell are called

Gases whose particles are charged are known as

Which of the following magnetic materials can be easily magnetized in both direction?

The core of a transformer heats up when its primary is fed from an ac source because of

The magnetic field inside a solenoid

Magnetic effects of the earth as a huge magnet with north and south poles.

Also checkout

Defined as the flux density produced in it due to its own induced magnetism

Correct Answer :

Show all Electricity Fundamentals MCQ

Related Questions

The force which set ups or tends to set up magnetic flux in a magnetic circuit

What revolves about the positive nucleus in a definite orbit?

A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.

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

Who discovered superconductivity in 1911?

A law that states that the current in a thermionic diode varies directly with the three- halves power of anode voltage and inversely with the square of the distance between the electrodesa provided operating conditions are such that the current is limited only by the space charge.

Refers to the non- metallic materials that have the ferromagnetic properties of iron.

If the relative permittivity of a material is 10a then its permittivity is

A germanium atom has an atomic weight of72. How many neutrons are there?

The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given by

This paper does not exhibit electricity because it contains the same number of

What is the cgs unit of magnetomotive force?

The property of a material which opposes the creation of magnetic flux in it

Lenz's law is the consequence of the law of conservation of

Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring atoms or molecules.

Permanent magnets can be found in

What is the unit of reluctance?

Which of the following is a diamagnetic material?

The direction of force o a current carrying conductor placed in a m found by

The electric potential at a point in air due to a charge is 21 V. If the air is replaced by a medium of relative permittivity of 3a then electric potential at that point will be

Flux linkages equals

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

Germanium atom has ______ protons and ______ electrons.

The science of adapting electronics to aerospace flight.

Electrons at the outer shell are called

Gases whose particles are charged are known as

Which of the following magnetic materials can be easily magnetized in both direction?

The core of a transformer heats up when its primary is fed from an ac source because of

The magnetic field inside a solenoid

Magnetic effects of the earth as a huge magnet with north and south poles.

Also checkout

Germanium atom has protons and electrons.