Welcome to your Grade 12 Physics chapter 5
After carefully reading the following 30 questions, choose the correct answer.
1.
Which type of material has electrical conductivity between that of a conductor and an insulator?
2.
What is the process of adding impurities to a pure semiconductor to change its electrical properties?
3.
In an n-type semiconductor, what are the majority charge carriers?
4.
What is a p-n junction diode primarily used for in electronic circuits?
5.
Which component is formed by joining two n-type semiconductors with a p-type semiconductor in between?
6.
What is the function of rectification in electronics?
7.
Which logic gate produces a HIGH output only if all its inputs are HIGH?
8.
What is the output of a NOT gate if the input is 1?
9.
Which electronic component can act as either a switch or an amplifier?
10.
What is an Integrated Circuit (IC)?
11.
In a p-type semiconductor, the majority charge carriers are:
12.
What is the forward bias condition for a diode?
13.
Which logic gate is considered the "inverse" of an AND gate?
14.
What happens in a full-wave rectifier compared to a half-wave rectifier?
15.
What is the role of the "base" in a bipolar junction transistor?
16.
Which of the following is a universal logic gate?
17.
What is the depletion region in a p-n junction?
18.
In an OR gate, what input is required to get a LOW output?
19.
What is the main material used to make most semiconductors today?
20.
What is the characteristic of an intrinsic semiconductor?
21.
Which transistor terminal is usually shared in a common-emitter configuration?
22.
What does a logic circuit do?
23.
What is reverse bias in a diode?
24.
How many inputs does a standard NOT gate have?
25.
Which component is essential for making a bridge rectifier?
26.
What is the binary representation of "on" and "off" in logic gates?
27.
In an NPN transistor, the arrow on the schematic symbol points from:
28.
What is a "Logic Table" or "Truth Table"?
29.
Which application of electronics is used to amplify weak radio signals?
30.
What happens to the resistance of a semiconductor as its temperature increases?
