Semiconductors - General Questions Online Exam Quiz
Semiconductors - General Questions GK Quiz. Question and Answers related to Semiconductors - General Questions. MCQ (Multiple Choice Questions with answers about Semiconductors - General Questions
A silicon diode measures a low value of resistance with the meter leads in both positions. The trouble, if any, is
Options
A : the diode is open.
B : the diode is shorted to ground.
C : the diode is internally shorted.
D : the diode is working correctly.
Single-element semiconductors are characterized by atoms with ____ valence electrons.
Options
A : 3
B : 4
C : 5
D : 2
Under normal conditions a diode conducts current when it is
Options
A : reverse-biased.
B : forward-biased.
C : avalanched.
D : saturated.
A diode conducts when it is forward-biased, and the anode is connected to the ________ through a limiting resistor.
Options
A : positive supply
B : negative supply
C : cathode
D : anode
As the forward current through a silicon diode increases, the internal resistance
Options
A : increases.
B : decreases.
C : remains the same.
D : -
The movement of free electrons in a conductor is called
Options
A : voltage.
B : current.
C : recombination.
D : equilibrium.
For a forward-biased diode, the barrier potential ________ as temperature increases.
Options
A : decreases
B : remains constant
C : increases
D : -
The wide end arrow on a schematic indicates the ________ of a diode.
Options
A : ground
B : direction of electron flow
C : cathode
D : anode
An n-type semiconductor material
Options
A : is intrinsic.
B : has trivalent impurity atoms added.
C : has pentavalent impurity atoms added.
D : requires no doping.
For a forward-biased diode, as temperature is ________, the forward current ________ for a given value of forward voltage.
Options
A : decreased, increases
B : increased, increases
C : increased, decreases
D : decreased, decreases
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