SHS Physics · Year 1
Semiconductors, Transducers and Applications practice questions
Intrinsic and extrinsic semiconductors, doping, PN junction diodes, LEDs, Zener diodes, transducers and transistors.
25 questions in this topic: 11 recall, 12 applying skills and concepts and 2 strategic thinking. Every one carries a written explanation.
Sample questions
5 of 25 questions in this topic. Sign up to answer them and see the explanations.
- Question 1Recall
A transducer is a device that
- achanges one type of energy into another
- bonly stores energy
- cdestroys energy
- dmeasures mass
- Question 2Recall
Semiconductors and PN junction diodes are used to
- acontrol the flow of electricity
- bgenerate sound
- cmeasure temperature only
- dproduce magnetism
- Question 3Skills & concepts
In a pure intrinsic semiconductor, the numbers of electrons and holes are
- abalanced
- balways unequal
- cboth zero
- dinfinite
- Question 4Skills & concepts
An LED emits light when it is connected in
- athe forward bias position
- bthe reverse bias position
- cany position
- dno circuit at all
- Question 5Strategic thinking
Which pair correctly matches the dopant to the semiconductor type?
- aBoron gives P-type; phosphorus gives N-type
- bBoron gives N-type; phosphorus gives P-type
- cBoth give N-type
- dBoth give P-type
Answer these and 20 more on Semiconductors, Transducers and Applications
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