Question

7.29 The switch in the circuit seen in Fig. P7.29 has been in position x for a long time. At t = 0, the switch moves instantaneously to position y. a. Find \(a\) so that the time constant for \(t > 0\) is 1 ms. b. For the \(a\) found in (a), find \(v_\Delta\). Figure P7.29

          7.29 The switch in the circuit seen in Fig. P7.29 has been in position x for a long time. At
t = 0, the switch moves instantaneously to position y.
a. Find \(a\) so that the time constant for \(t > 0\) is 1 ms.
b. For the \(a\) found in (a), find \(v_\Delta\).
Figure P7.29

7.29 The switch in the circuit seen in Fig. P7.29 has been in position x for a long time. At
t = 0, the switch moves instantaneously to position y.
a. Find a so that the time constant for t > 0 is 1 ms.
b. For the a found in (a), find vΔ.
Figure P7.29

Added by Tina A.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Prabhu Ramji

Step 1

When the switch moves to position \( y \), the circuit consists of a capacitor \( C = 0.2 \, \mu F \), a resistor \( R_1 = 10 \, k\Omega \), and a dependent voltage source \( \alpha v_{\Delta} \) in series with a resistor \( R_2 = 20 \, k\Omega \). Show more…

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HELP PLEASE!Show steps and be clear, thank you 7.29 The switch in the circuit seen in Fig P7.29 has been in position x for a long time. At t = 0, the switch moves instantaneously to position y. a.Find so that the time constant for t > 0 is 1 ms. b.For the found in (a),find Figure P7.29 20 k WW 5k f=0 10k 0.2F