Download Chapter 13, Problem 1

TUTORIAL 1
1. For the three coupled coils in Fig. 1, calculate the total inductance.
Figure 1
2. Determine the inductance of the three series-connected inductors of Fig. 2.
Figure 2
3. Determine V1 and V2 in terms of I1 and I2 in the circuit in Fig. 3
Figure 3
4. Find Vo in the circuit of Fig. 4
Figure 4
5. Find Vx in the network shown in Fig. 5
Figure 5
6. Find I1 and I2 in the circuit of Fig. 6. Calculate the power absorbed by the
4- resistor.
Figure 6
7. Find current Io in the circuit of Fig. 7
Figure 7
8. If M = 0.2 H and vs = 12 cos 10t V in the circuit of Fig. 8, find i1 and i2. Calculate
the energy stored in the coupled coils at t = 15 ms.
Figure 8
9. Determine the input impedance of the air-core transformer circuit of Fig. 9.
Figure 9
10. Determine I1 and I2 in the circuit of Fig. 10.
Figure 10
11. Obtain V1 and V2 in the ideal transformer circuit of Fig. 11
Figure 11
12. For the circuit shown in Fig. 12, find the value of the average power absorbed by
the 8-ohm resistor.
Figure 12
13. For the circuit in Fig. 13, find Vo. Switch the dot on the secondary side and find
Vo again.
Figure 13
14. Use the concept of reflected impedance to find the input impedance and current
I1 in Fig. 14 below.
Figure 14
15. Find the power absorbed by the 10- resistor in the ideal transformer circuit of
Fig. 15
Figure 15
16. For the ideal transformer circuit of Fig. 16. below, find:
(a) I1 and I2,
(b) V1, V2, and Vo,
(c) the complex power supplied by the source.
Figure 16