Skip to main content

News about Scitation

In December 2016 Scitation will launch with a new design, enhanced navigation and a much improved user experience.

To ensure a smooth transition, from today, we are temporarily stopping new account registration and single article purchases. If you already have an account you can continue to use the site as normal.

For help or more information please visit our FAQs.

banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.
1. R. P. Feynman, R. B. Leighton, and M. Sands, The Feynman Lectures on Physics, Vol. 2 ( Addison-Wesley, Massachusetts, 1964).
2. G. W. Parker, “ Electric field outside a parallel plate,” Am. J. Phys. 70(5), 502507 (2002).
3. T. T. Grove, M. F. Masters, and R. E. Miers, “ Determining dielectric constants using a parallel plate capacitor,” Am. J. Phys. 73(1), 5256 (2005).
4. M. DiStasio and W. C. McHarris, “ Electrostatic problem? Relax!,” Am. J. Phys. 47(5), 440444 (1979).
5. G. T. Carlson and B. L. Illman, “ The circular disk parallel plate capacitor,” Am. J. Phys. 62(12), 10991105 (1994).
6. J. C. Maxwell, A Treatise on Electricity and Magnetism, 3rd ed. ( Clarendon Press, Oxford, 1873), Vol. 1.
7. R. N. Metz, “ The absolute electrometer revisited,” Am. J. Phys. 41, 11701175 (1973).
8. S. Straulino and A. Cartcci, “ An absolute electrometer for the physics laboratory,” Phys. Educ. 44(3), 301305 (2009).
9. L. D. Landau, E. M. Lifshitz, and L. P. Pitaevskii, Electrodynamics of Continuous Media, 2nd ed. ( Pergamon Press, Oxford, 1984).
10. A. Gingle and T. M. Knasel, “ Undergraduate laboratory investigation of the dielectric constant of ice,” Am. J. Phys. 43, 161167 (1975).
11. A. Kakimoto, I. Ogawa, and T. Matsushita, “ Improvements on the measurements of dielectric constant and dissipation factor in a wide frequency range,” Rev. Sci. Instrum. 48, 15701575 (1977).
12. Y. Nogi, K. Suzuki, and Y. Ohkuma, “ Measurement of electric fields and estimation of dielectric susceptibility,” Am. J. Phys. 81(5), 359365 (2013).
13. R. C. West, M. J. Astle, and W. H. Beyer, CRC Handbook of Chemistry and Physics, 86th ed. ( Chemical Rubber Company Press, Boca Raton, FL, 2005).
14. D. E. Gray, American Institute of Physics Handbook, 2nd ed. ( McGraw-Hill, New York, 1963).
15.Clipper Controls, Dielectric Constants of Various Materials <>.

Data & Media loading...


Article metrics loading...



A simple relationship determining the dielectric constant of a material inserted in a parallel-plate capacitor is formulated from Gauss's law for a uniform electric field and the continuity condition of electric flux at the boundary of the material. The relationship suggests that the dielectric constant can be determined from the dependence of the charge stored on the capacitor on the thicknesses of the material and the air layer between the plates. A uniform field is created by applying an ac voltage to the plates, which includes a guard ring. The stored charge is estimated by using an oscilloscope to measure the voltage across a resistor inserted between the power supply and the capacitor. The results of the measurement are given for planar materials such as soda-lime glass, Bakelite, acrylic glass, and Teflon with a thickness of 0.5–1 cm.


Full text loading...


Access Key

  • FFree Content
  • OAOpen Access Content
  • SSubscribed Content
  • TFree Trial Content
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd