1. The switch has been in position a for a long time. It is switched to position b at t = 0.0 s 9.0 V a b 17 2.0 με ww 50 Ω a. What is the charge Q on the capacitor immediately after the switch is changed? b. What is the current I through the resistor immediately after the switch is changed? c. What is the charge Q on the capacitor at t = 50 μs? d. What is the current / through the resistor at t= 50 μs?

For the circuit shown in the figure, ϵ0=100Volt, R1=50Ω, R2=100Ω, C=2μF. What is the status of the capacitor immediately after the switch is closed, charged or discharged, and what is the initial current of the battery immediately after the switch is closed?

Find the total capacitance for all 5 circuits. Do not forget units. C21 C1 1µF 1µF C3 C4 C5 1µF 1µF 1µF C6 C7 C2 1µF 1µF 1µF Figure 2 C8 Figure 1 1µF Figure 3 HE HE HE HE HH

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Question 24

What is the effect of increasing voltage source frequency on the reactance of a capacitor? decreases the reactance O increases the reactance has no effect O destroys the capacitor

When the switch is in position 1, the circuit will charge the capacitor. Find the Thevenin Equivalent Circuit for the charge phase and determine the time constant (Rh*C) for the charge phase.

Find the value of the capacitor voltage at steady state when the switch is closed.

You charge a capacitor and then discharges it through a resistor. You notice that, after four time constants, the voltage across the capacitor has decreased to _____ of its value just prior to the initiation of the discharge. Group of answer choices 0.135 0.368 0.00674 0.0183 0.0498