A waxed paper capacitor has two parallel plates, each of effective area #800 cm^#2. If the capacitance of the capacitor is #4425 pF#, what is the effective thickness of the paper? The relative permittivity of the paper is 2.5.

Question

4166 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-01-18T10:56:24

0.386 mm

#sf(C=(kepsilon_0A)/d)#

#:.##sf(d=(kepsilon_0A)/C)#

#sf(d=(2.5xx8.55xxcancel(10^(-12))xx0.08)/(4425xxcancel(10^(-12)))color(white)(x)m)#

#sf(d=3.864xx10^(-4)color(white)(x)m)#

#sf(d=0.386color(white)(x)mm)#