Fundamentals Of Electric Circuits 3rd Edition Matthew Sadiku, Charles Alexander - Solutions

A three-phase supply, with the line voltage 240 V rms

Refer to the unbalanced circuit of Fig. 12.63. Calculate:
(a) The

Determine the line currents for the three-phase circuit of Fig.

The source in Fig. 12.65 is balanced and exhibits a

For the Y-Y circuit of Fig. 12.41, find the line

Use PSpice to determine Io in the single-phase, three-wire circuit

Given the circuit in Fig. 12.67, use PSpice to determine

The circuit in Fig. 12.68 operates at 60 Hz. Use

Use PSpice to find currents IaA and IAC in the

A balanced three-phase circuit is shown in Fig. 12.70 on

A three-phase, four-wire system operating with a 208-V line voltage

AAs shown in Fig. 12.72, a three-phase four-wire line with

Obtain the line currents in the three-phase circuit of Fig.

In Fig. 12.73, two wattmeters are properly connected to the

For the circuit displayed in Fig. 12.74, find the wattmeter

Predict the wattmeter readings for the circuit in Fig. 12.75.

Figure 12.76 displays a three-phase delta-connected motor load which is

For the single-phase three-wire system in Fig. 12.77, find currents

Consider the single-phase three-wire system shown in Fig. 12.78. Find

Find vo in the circuit of Fig. 13.79.

Use mesh analysis to find ix in Fig. 13.80, 
Where

Determine the equivalent Leq in the circuit of Fig. 13.81.

For the circuit in Fig. 13.82, determine the impedance seen

Obtain the Thevenin equivalent circuit for the circuit in Fig.

Find the Norton equivalent for the circuit IN Fig. 13.84

j60 80 A V j4: b.

Find the Thevenin equivalent to the left of the load

Determine an equivalent T-section that can be used to replace

Determine currents I1, I2, and I3 in the circuit of

Find I1 and I2 in the circuit of Fig. 13.90.

Find current Io in the circuit of Fig. 13.91.

If M = 0.2 H and vs = 12 cos

For the network in Fig. 13.94, find Zab and Io.

Find Io in the circuit of Fig. 13.95. Switch the

Find the average power delivered to the 50- &Icirc;&copy; resistor

In the circuit of Fig. 13.97, find the value of

In the circuit of Fig. 13.98, find the value of

Find the input impedance of the circuit in Fig. 13.99

For the circuit in Fig. 13.100, find:
(a) The T-equivalent circuit,
(b)

Determine the input impedance of the air-core transformer circuit of

Find the input impedance of the circuit in Fig. 13.103.

Find currents I1, I2, and I3 in the circuit of

00.00 1:* 1:R V2 (b) (a) 1:N V2 (d) (c) 000 le

For the circuit in Fig. 13.107, determine the power absorbed

Obtain v1 and v2 in the ideal transformer circuit of

(a) Find I1 and I2 in the circuit of Fig.

Find v(t) for the circuit in Fig. 13.112.

Find Ix in the ideal transformer circuit of Fig. 13.113.

Find current ix in the ideal transformer circuit shown in

For the circuit in Fig. 13.120, calculate the equivalent resistance.

Find the power absorbed by the 10- &Icirc;&copy; resistor in

For the ideal transformer circuit of Fig. 13.122 below, find:
(a)

Determine the average power absorbed by each resistor in the

In the circuit of Fig. 13.124, let vs = 40

The coils in Fig. 13.75 have L1 = 40 mH,

For the circuit in Fig. 13.126, find I1, I2, and

For the network in Fig. 13.127, find
(a) The complex power

Find the mesh currents in the circuit of Fig. 13.128

For the circuit in Fig. 13.129, find the turns ratio

Calculate the average power dissipated by the 20- &Icirc;&copy; resistor