Physical Science
Hello, I wanted to know if I had the correct answer? Thank You My answer:length, speed The magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the____ and the___ of the conductor. length, speed distance circumference resistance...
Physical Science
Hello, Can some one please tell me if I have the correct answer? Thank You my answer: B When an electron is displaced in a semiconductor, the hole that's left behind is? A. attracted to the negative terminal of the voltage source B. incapable of carrying a charge C. attrac...
Physical Science
Hello, Can someone tell me if I have the correct answer? Thank You my answer: B A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total resistance of the two...
Physical Science
Hello, I need some help with the following question. Thank You To use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your ? A.thumb in the direction of the magnetic flux B.thumb in the dir...
Physical Science
Hello, Can some one please tell me if I have the correct answer? Thank You my answer: D In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the? A.anode B.cathode C.deflecting plate D.grid
Physical Science
Hello, I need a little help with the following question. Thank You, My answer: either A or B I am not sure An object is located 51 mm from a diverging lens. The object has a height of 13 mm and the image height is 3.5 mm. How far in front of the lens is the image located? A. 1...
Physical Science
Hello, Do I have the correct answer? Thank You, If the distance from a converging lens to the object is less than the focal length of the lens, the image will be? A. real, inverted, and larger than the object B. real, inverted, and smaller than the object C. virtual, upright, ...
Physical Science
Hello, Can some one tell me if I have the correct answer? Thank You, my answer: c When a simple magnifying glass is used properly, the image will be formed? A. just inside the focal point of the lens. B. about 250 millimeters in front of the lens. C. at the focal point of the ...
Physical Science
Hello, I need some help with the following question. Thank You, When an object is placed 8mm from a concave spherical mirror, a clear image can be projected on a screen 16 mm in front of the mirror. If the object has a height of 4 mm, the height of the image is? I think it'...
Physical Science
Hello, Do I have the correct answer for the following question? Thank You, My answer- 15 mm An object 5 mm high is located 15 mm in front of a plane mirror. How far from the mirror is the image located? 5.0 mm 7.5 mm 15 mm 30 mm
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