A potential difference of 1.00 V is maintained across a 10.0-V resistor for a period of 20.0 s. What total charge passes by a point in one of the wires connected to the resistor in this time interval?
1.200 C
2.20.0 C
3.2.00 C
4.0.005 00 C
5.0.050 0 C
3
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What factor caused different planets to form out of different types of material?
A) The angular momentum of the forming planet; faster rotating planets lost the lightest elements. B) The quantity of dust particles in the solar nebula; more dust caused some planets to contain heavier elements. C) The variation in temperature throughout the solar nebula; the higher the temperature, the lower the percentage of light elements in the forming planet. D) The angular momentum of the solar nebula pushed the heavy elements towards the outer regions of the nebula. E) The innate variation of chemical composition of the original nebula; the outer parts of the nebula contained a greater abundance of heavy elements.
For the x-ray diffraction pattern in Figure 15.4 produced with copper K? of wavelength 0.1541 nm, assume that this is some unknown material, but it has been determined that the material is cubic by Laue diffraction.
(a) Prove that the material is BCC. (b) Determine h, k, and l for each of the lines, but you can ignore the small peak at 35°. This is a K? peak. (c) Determine the lattice parameter of this material using the (321) peak.
The decoupling of the strong force from the electroweak force provided energy for a rapid inflation of the Universe
a. True b. False Indicate whether the statement is true or false
The resistance of a filament that carries 2 A when a 10-V potential difference across it is
A) 2 ohms. B) 5 ohms. C) 10 ohms. D) 20 ohms. E) more than 20 ohms.