Question and answer
When all parts of a circuit are composed of conducting materials, the circuit is said to be A. parallel. B. closed. C. open. D. shorted.
When all parts of a circuit are composed of conducting materials, the circuit is said to be closed.
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Expert answered|sujaysen|Points 24097|
Question|Asked by terrellfrank
Asked 4/6/2018 11:05:12 AM
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The process in which a substance changes from a gaseous state to the liquid state is A. condensation. B. critical temperature. C. evaporation. D. absolute zero.
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Updated 4/5/2018 4:10:40 PM
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In America, the first two parties were the Federalists and the Anti-Federalists. They were divided over _____.
Question|Asked by terrellfrank
Updated 224 days ago|4/25/2020 7:24:19 PM
1 Answer/Comment
In America, the first two parties were the Federalists and the Anti-Federalists. They were divided over the Ratification of the Constitution.
Added 224 days ago|4/25/2020 7:24:19 PM
This answer has been confirmed as correct and helpful.
In which of the following materials is the velocity of light greatest? A. Air B. Crown glass C. Water D. Fused quartz
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Question|Asked by terrellfrank
Not Answered
Updated 7/4/2019 1:19:45 PM
1 Answer/Comment
If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is 8 lux.
Solution:
E = I / s²; E = 72/9 = 8 lux.
Added 7/4/2019 1:19:45 PM
This answer has been confirmed as correct and helpful.
Which of the following occurs when light is reflected from a rough or unpolished surface? A. The original pattern of the light is distorted. B. The angle of reflection is less than the angle of incidence. C. The angle of reflection is greater than the angle of incidence. D. The original pattern of the light is preserved.
Weegy: The original pattern of the light is distorted, this occurs when light is reflected from a rough or unpolished surface. User: When an object is placed 8 millimeters from a concave spherical mirror, a clear image can be projected on a screen 16 millimeters in front of the mirror. If the object has a height of 4 millimeters, the height of the image is A. 4 millimeters. B. 2 millimeters. C. 8 millimeters. D. 12 millimeters. (More)
Question|Asked by terrellfrank
Updated 49 days ago|10/17/2020 11:12:18 PM
1 Answer/Comment
When an object is placed 8 millimeters from a concave spherical mirror, a clear image can be projected on a screen 16 millimeters in front of the mirror. If the object has a height of 4 millimeters, the height of the image is 8 millimeters.

M = i / p m = 16 mm / 8 mm m = 2 mm 2 x 4 mm = 8 mm.
Added 49 days ago|10/17/2020 11:12:18 PM
This answer has been confirmed as correct and helpful.
When an electric current flows through a long conductor, each free electron moves A. from one end of the conductor to the other end. B. back and forth between the ends of the conductor. C. through a relatively short distance. D. with a speed of 300,000,000 m/s.
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Question|Asked by terrellfrank
Updated 55 days ago|10/11/2020 3:08:41 PM
1 Answer/Comment
A circuit contains two devices that are connected in parallel, If the resistance of one of the devices is 12 ohms and the resistance of the other device is 4 ohms, The total resistance of the two devices is 3 ohms. Solution: 12 x 4 divided by 12 + 4 = 48/16 = 3.
Added 55 days ago|10/11/2020 3:08:41 PM
This answer has been confirmed as correct and helpful.
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