Hi friends, these are some of the multiple choice questions on electrical and magnetic properties. These are some of the basic questions which are asked in previous competitive papers check out and comment...
1) Materials whose permeabilities are slightly greater than that of free space
A) Paramagnetic
B) Non- magnetic
C) Ferromagnetic
D) Diamagnetic
Ans:A
2) Materials that have very high permeabilities (hundreds and even thousands times of that
of free space)
A) Paramagnetic
B) Non- magnetic
C) Ferromagnetic
D) Diamagnetic
Ans:C
3) The current of electric circuit is analogous to which quantity of a magnetic circuit
A) Mmf
B) Flux
C) Flux density
D) Reluctivity
Ans:B
4) What is the diameter of an atom?
A) About 10^-1O m
B) About 10^-1O cm
C) About 10^-10 mm
D) About 10^-10 um
Ans:A
5) Defined as a closed path in which magnetic induction or flux flows
A) Electric circuit
B) Magnetic circuit
C. Electronic circuit
D. Electromagnetic circuit
Ans:B
6) 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
Ans:D
7) Referred to as the specific reluctance of a material
A) Resistivity
B) Reluctivity
C) Conductivity
D) Permeability
Ans:B
8) The property of a material which opposes the creation of magnetic flux in it
A) Resistance
B) Reluctance
C) Permeance
D) Conductance
Ans:B
9) It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
A) Resistance
B) Conductance
C) Permeance
D) Inductance
Ans:C
10)The ability of a material to conduct magnetic flux through it.
A) Permittivity
B) Reluctivity
C) Conductivity
D) Permeability
Ans:D
1) Materials whose permeabilities are slightly greater than that of free space
A) Paramagnetic
B) Non- magnetic
C) Ferromagnetic
D) Diamagnetic
Ans:A
2) Materials that have very high permeabilities (hundreds and even thousands times of that
of free space)
A) Paramagnetic
B) Non- magnetic
C) Ferromagnetic
D) Diamagnetic
Ans:C
3) The current of electric circuit is analogous to which quantity of a magnetic circuit
A) Mmf
B) Flux
C) Flux density
D) Reluctivity
Ans:B
4) What is the diameter of an atom?
A) About 10^-1O m
B) About 10^-1O cm
C) About 10^-10 mm
D) About 10^-10 um
Ans:A
5) Defined as a closed path in which magnetic induction or flux flows
A) Electric circuit
B) Magnetic circuit
C. Electronic circuit
D. Electromagnetic circuit
Ans:B
6) 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
Ans:D
7) Referred to as the specific reluctance of a material
A) Resistivity
B) Reluctivity
C) Conductivity
D) Permeability
Ans:B
8) The property of a material which opposes the creation of magnetic flux in it
A) Resistance
B) Reluctance
C) Permeance
D) Conductance
Ans:B
9) It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
A) Resistance
B) Conductance
C) Permeance
D) Inductance
Ans:C
10)The ability of a material to conduct magnetic flux through it.
A) Permittivity
B) Reluctivity
C) Conductivity
D) Permeability
Ans:D
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