71. The potential at which the characteristics curve vertical rise occurs is commonly referred to as the ________.
(a) offset
(b) threshold
(c) firing potential
(d) All of the above
72. The depletion width ________ in the forward bias, which results in having a majority flow across the junction.
(a) widens
(b) remains unchanged
(c) shrinks
(d) widens and shrinks alternatively
73. The diffused impurities with ________ valence electrons are called acceptor atoms.
(a) 0
(b) 3
(c) 4
(d) 5
74. The reverse-saturation current level is typically measured in ________.
(a) pA
(b) A
(c) mA
(d) A
75. Any electron that has left its parent atom has ________ energy state relative to any electron in the atomic structure.
(a) the same
(b) a lower
(c) a higher
(d) an undefined
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