Physics, 15.11.2020 05:20, alexislacour73
Which statement describes a switch in an electrical circuit?
A. It is made of insulating material so that charge cannot flow
through it when it is open.
B. It is made of conducting material so that charge can flow through
it when it is closed.
C. It is made of insulating material so that charge cannot flow
through it when it is closed.
D. It is made of conducting material so that charge can flow through
it when it is open.
Answers: 1
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Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more
Answers: 1
Physics, 21.06.2019 22:30, tvrgrvJfbhh3881
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 05:00, anondriap
Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.
Answers: 1
Which statement describes a switch in an electrical circuit?
A. It is made of insulating material s...
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