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Kale Eichmann

Feb 20, 2025

NEED HELP FAST PHYSICS?

A simple series circuit consists of a 190 Ω resistor, a 21.0 V battery, a switch, and a 2.00 pF parallel-plate capacitor (initially uncharged) with plates 5.0 mm apart. The switch is closed at t =0sA)After the switch is closed, find the maximum electric flux through the capacitorB)After the switch is closed, find the maximum displacement current through the capacitor.C)Find the electric flux at t =0.50ns.D)Find the displacement current at t =0.50ns.I was able to get part A) as 4.75 Vm but I need help with parts B C AND D
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Integral EdA = Q/εo =CVc(t)/εo = 2e-12*21/εo = 4.74 V∙m <----- A)Vc(t) = 21(1-e^-t/RC) because an uncharged capacitor is modeled as a short.ic(t) = (21/190)e^-t/RC -----> ic(0) = 21/190 = 0.1105A <----- B)Q(0.5ns) = CVc(0.5ns) = 2e-1221(1-e^-t/RC) = 30.7pC30.7pC/εo = 3.47 V∙m <----- C)ic(0.5ns) = 29.7ma <----- D)... Show More
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