Category: Electronics Engineering

Latest multiple choice questions with answers for electronics engineering students.

Electronics Engineering MCQs [Set 9]

81. The contribution to the ionization in an ionization chamber by electrons liberated from the walls.
A. Skin effect
B. Walt effect
C. Hall effect
D. Edison effect

82. The tiniest element of matter 
A. Atom
B. Proton
C. Electron
D. Neutron

83. All matters (gas, liquid and solid) are composed of
A. Neutrons
B. Particles
C. Electrons
D. Atoms

84. The simplest type of atom to exist is the________ atom.
A. Helium
B. Hydrogen
C. Boron
D. Oxygen

85. What revolves about the positive nucleus in a definite orbit?
A. Atom
B. Proton
C. Electron
D. Neutron

86. The uncharged particles which have no effect on its atomic charge.
A. Nucleons
B. Electrons
C. Protons
D. Neutrons

87. The diameter of a hydrogen atom is approximately ________cm. 
A. 1.1 x 10^-6
B. 1.1 x 10^-7
C. 1.1 x 10^-8 
D. 1.1 x 10^-9

88. The K shell or the first shell has how many permissible number of orbiting electrons?
A. 1
B. 2
C. 3
D. 4

89. Germanium atom has_______ protons and _____ _electrons. 
A. 32, 32
B. 32, 42
C. 42, 32
D. 34, 34

90. A germanium atom has an atomic weight of 72. How many neutrons are there?
A. 32
B. 40
C. 34
D. 36

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