lab 15.docx

# lab 15.docx - Devansh Soni Bryan Nunez Experiment 15...

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Devansh Soni Bryan Nunez Experiment 15 – Capacitance & Dielectric Materials Engineering Physics 2 PHYS 151 10/03/2017

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Objectives The objective of this activity is to explore the properties of parallel plate capacitors with and without dielectric materials and investigate the relationship between capacitance, dielectric constant, distance, and cross-sectional area. The experimental values of various dielectric constants and the equivalent capacitors for series and parallel capacitors will be also be determined. Theory -A capacitor is a device used to store electrical charge and energy in an electric field. Capacitors consist of two conductive objects (i.e. metal plates or sheets) that are near each other but are not touching. The conducting objects can also be separated by a dielectric (i.e. a nonconducting insulator) that can become polarized. by the electric field in the capacitor. -If a voltage (V) is applied across a capacitor, then each of the plates will build up a charge (Q). The charge and voltage are related to each other by the capacitance (C) of the capacitor. The relationship is listed below: C==Q/V Where voltage is given in units of volts (V), charge is given in units of Coulombs (C), and capacitance is given in units Farads (F).
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