This is the Multiple Choice Questions Part 2 of the Series in Engineering Electromagnetics as one of the Electronics Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electronics Engineering field, Electronics Books, Journals and other Electronics References.
PRC Board of Electronics Engineering Examination Syllabi (ECE Board)
The licensure exam shall cover different areas in the field of Electronics Engineering as prescribed by the Board. Under the Implementing Rules and Regulation of R.A. 9292, the licensure exam shall compose of four subjects each with 100 items covering different areas and with its own bearing to the overall rating. The applicant shall have a general weighted average of more than 70% and a grade above 70% for each subject areas to pass the licensure exam.
MCQ Topic Outline: Electromagnetic/Vector Analysis
- MCQ in Algebra of vectors
- MCQ in Vector Product
- MCQ in Vector Calculus
- MCQ in Vector Identities
- MCQ in Derivative of vector functions
- MCQ in Directional derivative, gradient, divergence, curl
- MCQ in Integral Theorems, Green’s Lemma, Divergence Theorem and Strokes’ Theorem
MCQ Topic Outline: Electromagnetics
- MCQ in Steady Electric and Magnetic Fields
- MCQ in Dielectric and Magnetic Materials
- MCQ in Resonance
- MCQ in Coupled and Magnetic Circuits
- MCQ in Time-varying Fields and Maxwell’s Equation
Continue Practice Exam Test Questions Part 2 of the Series
⇐ MCQ in Engineering Electromagnetics Part 1 | ECE Board Exam
Choose the letter of the best answer in each questions.
51. Electrostatic field is _________ a perfect conductor.
A. same inside
B. infinite inside
C. zero inside
D. none of these
Answer: Option C
Solution:
52. Potential is _________ a perfect conductor.
A. same inside
B. infinite inside
C. zero inside
D. none of these
Answer: Option A
Solution:
53. As per Gauss’ Law, charge density inside a perfect conductor is zero if E is _________.
A. positive
B. negative
C. unity
D. zero
Answer: Option D
Solution:
54. Conductivity of dielectric is _________.
A. low
B. high
C. both (a) and (b)
D. cannot say
Answer: Option A
Solution:
55. Which of the following is not a non-polar dielectric?
A. water
B. oxygen
C. CO2
D. alcohol
Answer: Option B
Solution:
56. The direction of electric dipole moment is _________ applied electric field.
A. orthogonal
B. contrary
C. same
D. none of these
Answer: Option C
Solution:
57. Electric polarization of a material is electric dipole moment per unit _________.
A. length
B. area
C. volume
D. none of these
Answer: Option B
Solution:
58. Capacitor stores energy in _________ field.
A. electric
B. magnetic
C. gravity
D. none of these
Answer: Option A
Solution:
59. Inductor stores energy in ________ field.
A. electric
B. magnetic
C. gravity
D. none of these
Answer: Option B
Solution:
60. Which of the following is not an inductor?
A. toroid
B. transmission line
C. solenoid
D. none of these
Answer: Option D
Solution:
61. Magnetic field at any point inside a long solenoid is _________.
A. zero
B. infinity
C. constant
D. none of these
Answer: Option C
Solution:
62. A toroid is _________ solenoid.
A. a long
B. a small
C. not a
D. none of these
Answer: Option A
Solution:
63. For a medium to be a quasi-conductor, the dissipation factor should be _________.
A. infinity
B. zero
C. unity
D. none of these
Answer: Option C
Solution:
64. Loss tangent is the same as _________.
A. mutual inductance
B. resistivity
C. conductivity
D. dissipation factor
Answer: Option D
Solution:
65. Loss tangent is given as _________.
A. σ/ωε
B. ω/σε
C. ωε/σ
D. σε/ω
Answer: Option A
Solution:
66. Loss tangent approximates _________.
A. attenuation constant
B. phase constant
C. intrinsic impedance
D. all of these
Answer: Option D
Solution:
67. The combined effect of electric dipoles is seen in _________.
A. polarization
B. magnetization
C. both (a) and (b)
D. none of these
Answer: Option A
Solution:
68. The combined effect of magnetic dipoles is seen in _________.
A. polarization
B. magnetization
C. both (a) and (b)
D. none of these
Answer: Option B
Solution:
69. Permeability of vacuum is given as _________.
A. 4 × 10−7 H/m
B. 14 × 10−7 H/m
C. 4 × 10−9 H/m
D. 14 × 10−9 H/m
Answer: Option A
Solution:
70. Magnetic susceptibility is _________.
A. unitless
B. dimensionless
C. both (a) and (b)
D. none of these
Answer: Option B
Solution:
71. Dipole moment is _________ a right-hand screw, when it is moved in the current’s direction in a current loop.
A. orthogonal to the direction of
B. opposite to the direction of
C. in the direction of
D. none of these
Answer: Option C
Solution:
72. On the basis of magnetic behavior, materials are classified into _________ categories.
A. 2
B. 3
C. 4
D. 5
Answer: Option D
Solution:
73. Maxwell’s equations involve_______.
A. Charge density
B. Current density
C. Magnetic intensity
D. All of these
Answer: Option D
Solution:
74. ε0 is ________ F/m.
A. 8.854 × 10−12
B. 6.654 × 10−12
C. 8.854 × 10−10
D. 6.654 × 10−10
Answer: Option A
Solution:
75. Electric dipole is a pair of __________ and __________ point charges.
A. Equal and same
B. Unequal and same
C. Equal and opposite
D. Unequal and opposite
Answer: Option C
Solution:
76. Electric flux density ________medium.
A. Depends on
B. Independent of
C. Both (a) and (b)
D. None of these
Answer: Option B
Solution:
77. If work done Wmn is zero, then VN and VM are related as _______.
A. VN + VM = 0
B. VN − VM = 0
C. 2VN + VM = 0
D. VN + 2VM = 0
Answer: Option B
Solution:
78. Charge distribution symmetry can be of _______ type.
A. Spherical
B. Cylindrical
C. Planar
D. All of these
Answer: Option D
Solution:
79. Curl of electrostatic field is __________.
A. ∞
B. 1
C. 0
D. None of these
Answer: Option C
Solution:
80. As per Stoke’s Theorem, = _________.
A. ∞
B. 1
C. 0
D. None of these
Answer: Option C
Solution:
81. Potential energy _____ if a test charge is moved from a lower potential point to a higher potential point.
A. Remains the same
B. Increases
C. Decreases
D. Becomes zero
Answer: Option B
Solution:
82. In the case of a linear material medium, _________ equation can be derived easily from Gauss’ law.
A. Poisson
B. Laplace
C. Both (a) and (b)
D. None of these
Answer: Option C
Solution:
83. According to the method of images, the tangential component of electric field to conductor surface is __________.
A. Unity
B. Zero
C. Infinity
D. None of these
Answer: Option B
Solution:
84. Steady magnetic fields are governed by __________ law.
A. Biot–Savart’s
B. Ampere’s Circuital
C. Both (a) and (b)
D. None of these
Answer: Option C
Solution:
85. There will be force of attraction between two current-carrying conductors if the currents are in __________ direction.
A. Same
B. Opposite
C. None of these
D. Cannot say
Answer: Option A
Solution:
86. Lorentz force equation comprises __________ and __________ forces.
A. Electric, magnetic
B. Mechanical, chemical
C. Both (a) and (b)
D. None of these
Answer: Option A
Solution:
87. Magnetic dipole moment is a product of __________.
A. Current and area
B. Area and its direction
C. Current, area, and its direction
D. None of these
Answer: Option C
Solution:
88. According to Faraday’s __________ Law, as long as changes happening magnetic flux, induced emf persists.
A. First
B. Second
C. Third
D. Fourth
Answer: Option A
Solution:
89. According to __________ Law, induced current acts to produce an opposing flux.
A. Bio–Savart’s
B. Lenz’s
C. Ampere’s
D. Faraday’s
Answer: Option B
Solution:
90. Biot–Savart’s Law can be applied to __________ length current- carrying conductors.
A. Large
B. Medium
C. Small
D. Very small
Answer: Option D
Solution:
91. Ampere’s Circuital Law is analogous to __________ Law in electrostatics.
A. Lenz’s
B. Gauss’s
C. Biot–Savart’s
D. Faraday’s
Answer: Option B
Solution:
92. Ampere’s Circuital Law can be applied __________ the conductor.
A. Inside
B. Outside
C. Both (a) and (b)
D. None of these
Answer: Option C
Solution:
93. Magnetic flux density is the same as __________.
A. Magnetic induction
B. Magnetic field strength
C. Both (a) and (b)
D. None of these
Answer: Option C
Solution:
94. Total flux passing through a closed surface held in a magnetic field is__________.
A. Infinity
B. Zero
C. Unity
D. None of these
Answer: Option B
Solution:
95. __________ gradient of magnetic scalar potential gives magnetic field intensity.
A. Positive
B. Negative
C. Double
D. Integral
Answer: Option B
Solution:
96. Magnetization volume current density in magnetic materials is due to__________.
A. Applied non-uniform magnetic field
B. Non-uniform magnetic susceptibility of material
C. Both (a) and (b)
D. None of these
Answer: Option C
Solution:
97. Maxwell’s equations shelter on __________ law(s).
A. Faraday’s
B. Gauss’s
C. Ampere’s
D. All of these
Answer: Option D
Solution:
98. Conduction current through a wire is __________ displacement current in capacitor.
A. Same as
B. Different from
C. Twice of
D. None of these
Answer: Option A
Solution:
99. In empty space, conduction current is __________.
A. Infinity
B. Unity
C. Zero
D. None of these
Answer: Option C
Solution:
100. Emf is closed __________ integral of non-conservational electric field that is generated by battery.
A. Line
B. Surface
C. Volume
D. None of these
Answer: Option A
Solution:
Complete List of MCQs in General Engineering and Applied Science per topic
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