12. For the circuit of Fig. 13.41, calculate I1, Iz, V2/Wi, and I2/I. 1, V = 40/0° V ~ 4.7 ΚΩ j750 Ω Μ j2 ΚΩ· bat 500 Ω Μ 12 3j1.8 ΚΩ + V₂ 870 Ω

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Please address question 12 in attached photo.  Thank you.

**Question:**

12. For the circuit of Fig. 13.41, calculate \( I_1, I_2, \frac{V_2}{V_1}, \text{and} \frac{I_2}{I_1} \).

**Diagram Explanation:**

The diagram shows an AC circuit with two loops connected by an inductive coupling. There are several components with given impedances:

- **Left Loop:**
  - A voltage source \( V_1 = 40 \angle 0^\circ \text{V} \) is present.
  - A resistor with an impedance of \( 4.7 \text{k}\Omega \) is connected in series.
  - An inductive reactance with impedance \( j2 \text{k}\Omega \) is also in this loop.
  - The current flowing in this loop is labeled \( I_1 \), with a counterclockwise direction indicated by an arrow.

- **Right Loop:**
  - This loop contains a resistor with an impedance of \( 500 \Omega \).
  - An inductive reactance with an impedance of \( j1.8 \text{k}\Omega \).
  - Another resistor with an impedance of \( 870 \Omega \) is connected.
  - The current flowing in this loop is labeled \( I_2 \), with a counterclockwise direction indicated by an arrow.
  - The voltage across the resistors and inductor in this loop is labeled \( V_2 \).

- **Coupling Between Loops:**
  - There is an inductive coupling between the two loops, represented by a mutual inductance \( j750 \Omega \).

**Objectives:**

Calculate the following:
1. \( I_1 \) - The current in the left loop.
2. \( I_2 \) - The current in the right loop.
3. \( \frac{V_2}{V_1} \) - The ratio of the voltage in the right loop to the voltage source in the left loop.
4. \( \frac{I_2}{I_1} \) - The ratio of the currents in the two loops.
Transcribed Image Text:**Question:** 12. For the circuit of Fig. 13.41, calculate \( I_1, I_2, \frac{V_2}{V_1}, \text{and} \frac{I_2}{I_1} \). **Diagram Explanation:** The diagram shows an AC circuit with two loops connected by an inductive coupling. There are several components with given impedances: - **Left Loop:** - A voltage source \( V_1 = 40 \angle 0^\circ \text{V} \) is present. - A resistor with an impedance of \( 4.7 \text{k}\Omega \) is connected in series. - An inductive reactance with impedance \( j2 \text{k}\Omega \) is also in this loop. - The current flowing in this loop is labeled \( I_1 \), with a counterclockwise direction indicated by an arrow. - **Right Loop:** - This loop contains a resistor with an impedance of \( 500 \Omega \). - An inductive reactance with an impedance of \( j1.8 \text{k}\Omega \). - Another resistor with an impedance of \( 870 \Omega \) is connected. - The current flowing in this loop is labeled \( I_2 \), with a counterclockwise direction indicated by an arrow. - The voltage across the resistors and inductor in this loop is labeled \( V_2 \). - **Coupling Between Loops:** - There is an inductive coupling between the two loops, represented by a mutual inductance \( j750 \Omega \). **Objectives:** Calculate the following: 1. \( I_1 \) - The current in the left loop. 2. \( I_2 \) - The current in the right loop. 3. \( \frac{V_2}{V_1} \) - The ratio of the voltage in the right loop to the voltage source in the left loop. 4. \( \frac{I_2}{I_1} \) - The ratio of the currents in the two loops.
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