Answered: A capacitor of capacitance C with…

A capacitor of capacitance C with charge Q is connected in series to an inductor of inductance L. Find the current in the circuit when the charge on the capacitor is Q/2.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter20: Capacitance In Ac Circuits

Section: Chapter Questions

Problem 5PP: Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 -...

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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

A capacitor of capacitance C with charge Q is connected in series to an inductor of
inductance L. Find the current in the circuit when the charge on the capacitor is
Q/2.
(3Q2/(4CL)10.5
[3Q²/C10.5
half its maximum value
Q/CL
Ozero
[8Q2/19CL)10.5

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A capacitor has a reactance of 40 when operated on a 50 Hz supply. Determine the value of its capacitance. In a series R–L circuit the p.d. across the resistance R is 12V and the p.d. across the inductance L is 5V. Find the supply voltage and the phase angle between current and voltage