The figure below (Figure 2) shows a typical electronic circuit consisted of a DC source with voltage of 12.0 V, a resistor with resistance of 120 N, 4.7 µF capacitor, and an inductor with unknown inductance. In one study, when the switch S is closed for a long interval, the potential difference measured across the capacitor was zero. As the switch S is open, the maximum potential difference measured across the capacitor was 24 V. Based on these observations, R C S Figure 2: Electronic Circuit consisting of resistive (R), inductive (L), and capacitive (C) elements. (a). Explain briefly (one or two sentences would be enough) about the zero potential difference measured across the capacitor when the switch S is closed for a long time. (b).Calculate the maximum amount of current that the circuit can reach when switch S was closed for a long interval. (c). Discuss the flow of charges in the circuit when switch S was opened. (d).Calculate the inductance that best describe the above scenario. (e). Calculate the time constant for the RL circuit when switch S was closed. (f). Calculate the oscillating frequency for the LC circuit. (g).By considering the moment switch S open as t = 0 , calculate the shortest time required for both inductor and capacitor to have the same magnitude of energy. ll
The figure below (Figure 2) shows a typical electronic circuit consisted of a DC source with voltage of 12.0 V, a resistor with resistance of 120 N, 4.7 µF capacitor, and an inductor with unknown inductance. In one study, when the switch S is closed for a long interval, the potential difference measured across the capacitor was zero. As the switch S is open, the maximum potential difference measured across the capacitor was 24 V. Based on these observations, R C S Figure 2: Electronic Circuit consisting of resistive (R), inductive (L), and capacitive (C) elements. (a). Explain briefly (one or two sentences would be enough) about the zero potential difference measured across the capacitor when the switch S is closed for a long time. (b).Calculate the maximum amount of current that the circuit can reach when switch S was closed for a long interval. (c). Discuss the flow of charges in the circuit when switch S was opened. (d).Calculate the inductance that best describe the above scenario. (e). Calculate the time constant for the RL circuit when switch S was closed. (f). Calculate the oscillating frequency for the LC circuit. (g).By considering the moment switch S open as t = 0 , calculate the shortest time required for both inductor and capacitor to have the same magnitude of energy. ll
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 2PA: You are working in an industrial plant. You have been instructed to double the capacitance connected...
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answer b,c,d thanks
Transcribed Image Text:The figure below (Figure 2) shows a typical electronic circuit consisted of a DC source
with voltage of 12.0 V, a resistor with resistance of 120 N, 4.7 µF capacitor, and an inductor
with unknown inductance. In one study, when the switch S is closed for a long interval,
the potential difference measured across the capacitor was zero. As the switch S is open,
the maximum potential difference measured across the capacitor was 24 V. Based on these
observations,
R
Figure 2: Electronic Circuit consisting of resistive (R), inductive (L), and capacitive (C)
elements.
(a). Explain briefly (one or two sentences would be enough) about the zero potential
difference measured across the capacitor when the switch S is closed for a long time.
(b). Calculate the maximum amount of current that the circuit can reach when switch S was
closed for a long interval.
(c). Discuss the flow of charges in the circuit when switch S was opened.
(d). Calculate the inductance that best describe the above scenario.
(e). Calculate the time constant for the RL circuit when switch S was closed.
(f). Calculate the oscillating frequency for the LC circuit.
(g).By considering the moment switch S open as t = 0 , calculate the shortest time required
for both inductor and capacitor to have the same magnitude of energy.
ll
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