10.25 For the following RC circuit: 56 aF a) Determine the time constant of the circuit when the switch is thrown into position 1. b) Find the mathematical expression for the voltage across the capacitor and the current after the switch is thrown into position 1. c) Determine the magnitude of the voltage vC and the current iC the instant the switch is thrown into position 2 at t=1s. d) Determine the mathematical expression for the voltage vC and the current ic for the discharge phase
10.25 For the following RC circuit: 56 aF a) Determine the time constant of the circuit when the switch is thrown into position 1. b) Find the mathematical expression for the voltage across the capacitor and the current after the switch is thrown into position 1. c) Determine the magnitude of the voltage vC and the current iC the instant the switch is thrown into position 2 at t=1s. d) Determine the mathematical expression for the voltage vC and the current ic for the discharge phase
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Transcribed Image Text:10.25 For the following RC circuit:
+ e -
56 μF
22 V
7 kl
a) Determine the time constant of the circuit when the switch is thrown into position 1.
b) Find the mathematical expression for the voltage across the capacitor and the current
after the switch is thrown into position 1.
C) Determine the magnitude of the voltage vC and the current iC the instant the switch is
thrown into position 2 at t=1s.
d) Determine the mathematical expression for the voltage vC and the current iC for the
discharge phase
e) Plot the waveforms of vC and iC for the period of time extending from 0 to 2 seconds
from when the switch was thrown into position 1
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