Electronics
9th Grade
•15 Qs
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Electronics
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
Enhance your content in a minute
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
One of the following is NOT an advantage of the transistors over the valves.
They are smaller in size
There is need for heating element
They have quick response to input signal
They have longer life span
Tags
NGSS.MS-ETS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what type of device is this?
it is a transistor
it is a diode
it is an amplifier
it is a power supply
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what is this?
it is a transistor
it is a diode
it is a capacitor
it is a resistance
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diagram below shows a p-n junction diode.
When the diode is in reverse biased, the depletion layer widens because
the electrons and holes are pulled away from
the p-n junction
the electrons from the n-type are pulled across
the p-n junction
the negative charges flow from the negative
terminal to the p-type semiconductor
the positive charges flow from the positive
terminal to the n-type semiconductor
Tags
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diagram 24 shows four diodes which are connected to form a rectifier. Which wave pattern is produced on the C.R.O. screen?
Tags
NGSS.HS-PS4-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the electronic symbol.
Diode
Photodiode
Reflective diode
Light Emitting Diode
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
NGSS.HS-PS2-5
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