An LRC Circuit Is at Critical Damping with R =

question 104

Multiple Choice

An LRC circuit is at critical damping with R = 100 Ω. Starting from its maximum value, the charge on the capacitor drops to 50% of its value in a time t = 5 ms. What are the values of the inductance L and the capacitance C?

• A)L = 0.36 H, C = 0.144 mF
• B)L = 2.67 H, C = 1. 25 mF
• C)L = 0.03 H, C = 0. 3 mF
• D)L = 1.17 H, C = 8.1 mF
• E)L = 5.12 H, C = 0. 06 mF

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