ECE Exam 2 ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS
Under normal conditions a diode conducts current when forward-biased.
it is
The movement of free electrons in a conductor is called current.
Which statement best describes a semiconductor? A material doped to have some free electrons.
- A material with very few free electrons.
- A material with many free electrons.
- A material with many free holes.
- A material doped to have some free electrons.
Silicon uses four electrons to form bonds with adjacent a n-type material.
silicon atoms. If silicon atoms are replaced with atoms
with five electrons for bonding, this produces:
An off-biased diode has the _____ connected to the cathode, anode
positive side of the battery, and the __ connected to the
negative side of the battery.
Silicon uses four electrons to form bonds with adjacent a p-type material.
silicon atoms. If silicon atoms are replaced with atoms
with three electrons for bonding, this produces:
In a n-type material, majority carriers would be: electrons.
When PN junction diode is connected in forward-biased, becomes the narrower.
the Depletion region:
When PN junction diode is connected in reverse-biased, becomes wider.
the Depletion region:
A PN-junction diode acts as a: switch.
To make NPN transistor in "ON" state, Base and Emitter forward-biased, reverse biased
junction must be __ while Base and Collector junction
must be __ _.
In electronic circuit, a transistor acts as A& B
Silicon is a common element found in _____ and is _____ sand, 28%
percent of the Earth's crust.
Under normal conditions a diode conducts current when forward-biased.
it is
The movement of free electrons in a conductor is called current.
Which statement best describes a semiconductor? A material doped to have some free electrons.
- A material with very few free electrons.
- A material with many free electrons.
- A material with many free holes.
- A material doped to have some free electrons.
Silicon uses four electrons to form bonds with adjacent a n-type material.
silicon atoms. If silicon atoms are replaced with atoms
with five electrons for bonding, this produces:
An off-biased diode has the _____ connected to the cathode, anode
positive side of the battery, and the __ connected to the
negative side of the battery.
Silicon uses four electrons to form bonds with adjacent a p-type material.
silicon atoms. If silicon atoms are replaced with atoms
with three electrons for bonding, this produces:
In a n-type material, majority carriers would be: electrons.
When PN junction diode is connected in forward-biased, becomes the narrower.
the Depletion region:
When PN junction diode is connected in reverse-biased, becomes wider.
the Depletion region:
A PN-junction diode acts as a: switch.
To make NPN transistor in "ON" state, Base and Emitter forward-biased, reverse biased
junction must be __ while Base and Collector junction
must be __ _.
In electronic circuit, a transistor acts as A& B
Silicon is a common element found in _____ and is _____ sand, 28%
percent of the Earth's crust.
