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Numerical Constants |
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Click here for the complete list of RF Cafe Quizzes. Note: Some material based on books have quoted passages. 1. To which constant is 6.022*1023/ mol assigned? a) universal constant b) Avogadro's constant c) electric field d) gravitational constant 2. To which constant is 2.718 assigned? a) base of natural logarithms b) base of unnatural logarithms c) ratio of major and semi-major axis of an ellipse d) dielectric constant of ceramic 3. To which constant is 9,192,631,770 assigned? a) astronomical unit b) oscillations of a cesium atom in exactly one second c) picoangstroms in a meter d) hours in a lightyear 4. To which constant is 1.616*10-35 m assigned? a) Planck length b) thickness of a human hair c) wavelength of yellow light d) tolerance of the standard meter 5. To which constant is 9.11*10-28 g assigned? a) neutron rest mass b) proton acceleration c) electron rest mass d) photon acceleration 6. To which constant is 9.81 m/s² assigned? a) speed of light in a vacuum b) dielectric constant of a vacuum c) acceleration of gravity near Earth's surface d) magnetic constant 7. To which constant is 8.854*10-12 F/m assigned? a) rate of change of temperature in silicon b) speed of light in a vacuum c) permittivity of free space d) permeability of free space 8. To which constant is 2.998*108 km/s assigned to? a) orbital velocity b) electron speed c) acceleration of gravity d) speed of light in a vacuum 9. To which constant is 1.3807*10-23 J/K assigned? a) universal gas constant b) carbon band energy c) uranium band energy d) Boltzmann's constant 10. To which constant is 1.257*10-6 H/m assigned? a) Bohr radius b) speed of light in a vacuum c) permittivity of free space d) permeability of free space Need some help? Click here for the answers and explanations. |
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 Copyright: 1996 - 2024 Webmaster: Kirt Blattenberger, BSEE - KB3UON |
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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived... All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged. My Hobby Website: AirplanesAndRockets.com
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