86. A diode conducts when it is forward-biased, and the anode is connected to the ________ through a limiting resistor.
(a) positive supply
(b) negative supply
(c) cathode
(d) anode
87. For a forward-biased diode, as temperature is ________, the forward current ________ for a given value of forward voltage.
(a) decreased, increases
(b) increased, increases
(c) increased, decreases
(d) decreased, decreases
88. Under normal conditions a diode conducts current when it is
(a) reverse-biased.
(b) forward-biased.
(c) avalanched.
(d) saturated.
89. A silicon diode measures a low value of resistance with the meter leads in both positions. The trouble, if any, is
(a) the diode is open.
(b) the diode is shorted to ground.
(c) the diode is internally shorted.
(d) the diode is working correctly.
90. Single-element semiconductors are characterized by atoms with ____ valence electrons.
(a) 3
(b) 4
(c) 5
(d) 2[E]. none of the above
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