27. Resistors & DC Circuits
Solving Resistor Circuits
6:00 minutes
Problem 26.48
Textbook Question
Textbook Question(II) A parallel-plate capacitor is filled with a dielectric of dielectric constant K and high resistivity ρ (it conducts very slightly). This capacitor can be modeled as a pure capacitance C in parallel with a resistance R. Assume a battery places a charge +Q and -Q on the capacitor’s opposing plates and is then disconnected. Show that the capacitor discharges with a time constant τ = K ∊₀ρ (known as the dielectric relaxation time). Evaluate τ if the dielectric is glass with ρ = 1.0 x 10¹² Ω•m and K = 5.0.
Verified Solution
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
6mPlay a video:
28
views
Was this helpful?
Related Videos
Related Practice
Showing 1 of 10 videos