66. Which of the following is an atom composed of?
(a) Electrons
(b) Protons
(c) Neutrons
(d) All of the above
67. The ideal diode is a(n) ________ circuit in the region of nonconduction.
(a) open
(b)
(c)
(d)
68. How many orbiting electrons does the germanium atom have?
(a) 4
(b) 14
(c) 32
(d) 41
69. How many valence electrons does a silicon atom have?
(a) 1
(b) 2
(c) 3
(d) 4
70. The term ________ is often used when comparing the resistance level of materials.
(a) permittivity
(b) inductivity
(c) conductivity
(d) resistivity
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