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Solutions to Problem set on Chapter 31

# Solutions to Problem set on Chapter 31 - Problems on...

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Problems on Chapter 31 1. A 18.0- μF capacitor is placed across a 22.5 - V battery for a few seconds and is then connected across a 12.0 - mH inductor that has no appreciable resistance. a) After connecting the capacitor and inductor together, find the maximum current in the circuit. b) When the current is a maximum, what is the charge on the capacitor? c) How long after connecting the capacitor and inductor together does it take the capacitor to be completely discharged for the first time? For the second time? d) Sketch graphs of the charge on the capacitor plates and the current through the inductor as functions of time 2. Textbook: Problem 25 (page 856) 3. Textbook: Problem 34 (page 856) 4. A series RLC circuit has R = 150 Ω, L = 0.25 H, and C = 16.0 μ F. It is driven by a 60-Hz voltage of peak value 170 V. Determine: a) the current, b) the maximum voltage across each element, V R , V L and V C c) the phase angle φ d) the power dissipated in the circuit . 5. An LRC circuit has L = 4.15 mH and R = 3.80 kΩ. a) What value must C have to produce resonance at 33.0 kHz?

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Solutions to Problem set on Chapter 31 - Problems on...

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