For the circuit shown, the current source’s current and voltage are 3e-25t A and 9.6e-25t + 0.4 V (t ≥ 0). The initial capacitor voltage is vC(0) = −2V. Determine the values of the capacitance C and resistance R. Hint: vC(t) = vC(0) + 1/C∫iC(t)dt.

For the circuit shown, the current source’s current and voltage are 3e-25t A and 9.6e-25t + 0.4 V (t ≥ 0). The initial capacitor voltage is vC(0) = −2V. Determine the values of the capacitance C and resistance R. Hint: vC(t) = vC(0) + 1/C∫iC(t)dt.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 2PA: You are an electrician working in an industrial plant. You discover that the problem with a certain...

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Concept explainers

Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

Question

For the circuit shown, the current source’s current and voltage are 3e^-25t A and 9.6e^-25t + 0.4 V (t ≥ 0). The initial capacitor voltage is v_C(0) = −2V. Determine the values of the capacitance C and resistance R. Hint: v_C(t) = v_C(0) + 1/C∫i_C(t)dt. Answer: 50mF, 4Ω

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