Q2) The switch opens at t = 0 after a very long time. Find v(t) for t> 0. Draw circuits clearly for each step using 4-step approach to illustrate the situation when t<0 and t>0 when doing circuit analysis for full credit. Write final answers in the box provided. 6 V 30 k ww 60 k 5 μF 0(1) L

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**Problem Statement:**

**Q2) The switch opens at \( t = 0 \) after a very long time. Find \( v(t) \) for \( t > 0 \). Draw circuits clearly for each step using the 4-step approach to illustrate the situation when \( t < 0 \) and \( t > 0 \) when doing circuit analysis for full credit. Write final answers in the box provided.**

**Circuit Diagram Explanation:**

The circuit involves a DC source, a switch, three resistors, and a capacitor. Here's a detailed breakdown of the components and their configuration from left to right:

1. **Voltage Source:**
   - A 6V DC power supply is connected to the circuit.

2. **Resistors:**
   - A 30 kΩ resistor is connected in series with the voltage source.
   - This is followed by a parallel network that includes:
     - A 60 kΩ resistor.
     - A parallel combination of a series connection of another 60 kΩ resistor and a 5 μF capacitor.

3. **Switch:**
   - The switch is positioned to connect or disconnect the rightmost 60 kΩ resistor and capacitor network combination from the rest of the circuit.
   - The switch is closed for \( t < 0 \) and opens at \( t = 0 \), indicating a change in the circuit dynamics when \( t = 0 \).

**Graph/Diagram Explanation:**

- **Before \( t = 0 \) (Switch Closed):**
  - The circuit forms a complete loop, allowing current to flow through all resistors and the capacitor to charge accordingly.

- **After \( t = 0 \) (Switch Opened):**
  - The rightmost 60 kΩ resistor and the capacitor are isolated from the rest of the circuit.
  - Subsequently, the voltage across the capacitor \( v(t) \) will be determined by the discharging behavior of the capacitor through the isolated resistor.

By following the 4-step approach, one must:

1. Identify the steady-state conditions before the switch opens.
2. Draw and analyze the transient response circuits immediately after \( t = 0 \).
3. Use appropriate differential equations or Laplace transforms to solve for \( v(t) \).
4. Combine initial conditions and solve the final expressions for \( v(t) \).

The detailed steps of the calculation would typically involve determining the initial voltage across
Transcribed Image Text:**Problem Statement:** **Q2) The switch opens at \( t = 0 \) after a very long time. Find \( v(t) \) for \( t > 0 \). Draw circuits clearly for each step using the 4-step approach to illustrate the situation when \( t < 0 \) and \( t > 0 \) when doing circuit analysis for full credit. Write final answers in the box provided.** **Circuit Diagram Explanation:** The circuit involves a DC source, a switch, three resistors, and a capacitor. Here's a detailed breakdown of the components and their configuration from left to right: 1. **Voltage Source:** - A 6V DC power supply is connected to the circuit. 2. **Resistors:** - A 30 kΩ resistor is connected in series with the voltage source. - This is followed by a parallel network that includes: - A 60 kΩ resistor. - A parallel combination of a series connection of another 60 kΩ resistor and a 5 μF capacitor. 3. **Switch:** - The switch is positioned to connect or disconnect the rightmost 60 kΩ resistor and capacitor network combination from the rest of the circuit. - The switch is closed for \( t < 0 \) and opens at \( t = 0 \), indicating a change in the circuit dynamics when \( t = 0 \). **Graph/Diagram Explanation:** - **Before \( t = 0 \) (Switch Closed):** - The circuit forms a complete loop, allowing current to flow through all resistors and the capacitor to charge accordingly. - **After \( t = 0 \) (Switch Opened):** - The rightmost 60 kΩ resistor and the capacitor are isolated from the rest of the circuit. - Subsequently, the voltage across the capacitor \( v(t) \) will be determined by the discharging behavior of the capacitor through the isolated resistor. By following the 4-step approach, one must: 1. Identify the steady-state conditions before the switch opens. 2. Draw and analyze the transient response circuits immediately after \( t = 0 \). 3. Use appropriate differential equations or Laplace transforms to solve for \( v(t) \). 4. Combine initial conditions and solve the final expressions for \( v(t) \). The detailed steps of the calculation would typically involve determining the initial voltage across
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