Category: Electronics Engineering

Latest multiple choice questions with answers for electronics engineering students.

Electronics Engineering MCQs [Set 4]

31. Materials whose permeabilities are slightly greater than that of free space 
A. Paramagnetic
B. Non- magnetic
C. Ferromagnetic
D. Diamagnetic

32. 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

33. The current of electric circuit is analogous to which quantity of a magnetic circuit
A. Mmf
B. Flux
C. Flux density
D. Reluctivity

34. What is the diameter of an atom? 
A. About 10^-10 m
B. About 10^-10 cm
C. About 10^-10 mm
D. About 10^-10 µm

35. Defined as a closed path in which magnetic induction or flux flows
A. Electric circuit
B. Magnetic circuit
C. Electronic circuit
D. Electromagnetic circuit

36. 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

37. Referred to as the specific reluctance of a material
A. Resistivity
B. Reluctivity
C. Conductivity
D. Permeability

38. The property of a material which opposes the creation of magnetic flux in it
A. Resistance
B. Reluctance
C. Permeance
D. Conductance

39. 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

40. The ability of a material to conduct magnetic flux through it.
A. Permittivity
B. Reluctivity
C. Conductivity
D. Permeability

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