50 points, will give brainliest
select the correct answer from each drop-down menu.
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Engineering, 08.10.2019 20:30 krojas015
50 points, will give brainliest
select the correct answer from each drop-down menu.
complete the sentences to explain the features of a semiconductor.
semiconductors conduct electricity when (1. their temperature increases 2. their temperature decreases or 3. when pressure is applied on them) or when engineers add impurities to them. in led lighting, semiconductors convert (1. electrical 2. chemical or 3. heat) energy into light in a process called electroluminescence.
Answers: 3
Engineering, 03.07.2019 14:10, kayabwaller4589
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
Answers: 3
Engineering, 04.07.2019 18:10, viicborella
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
Engineering, 04.07.2019 18:10, ashleybaber4966
If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
Answers: 1
Engineering, 04.07.2019 18:10, johnthienann58
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Mathematics, 11.12.2020 05:40
Mathematics, 11.12.2020 05:40
Mathematics, 11.12.2020 05:40
Mathematics, 11.12.2020 05:40
Mathematics, 11.12.2020 05:40
Mathematics, 11.12.2020 05:40