Basic Electrical Engineering 3rd. Edition by D. P. Kothari, I. J. Nagrath | 9780070146112 | 007014611X

Basic Electrical

Basic Electrical Engineering

358 SOLVED PROBLEMS

Question: 2.ASP.40

In the resistance circuit of Fig. 2.70, find (a) Ix if I1 = 12 mA (b) Ix if I2 = 20 mA (c) I2 if Ix = 6 mA (d) Ix if Is = 45 mA ...

Verified Answer:

(a) By current division

I_x=12 \times \frac...

Question: 2.ASP.39

In the circuit of Fig.2.69(a) determine the power dissipated in resistor R. ...

Verified Answer:

To begin with we will take two steps

\Right...

Question: 2.ASP.38

In the circuit of Fig. 2.68 (a) Determine ix (b) Power dissipated in 10 kΩ resistor All resistances are in kΩ. ...

Verified Answer:

(a) By series-parallel combinations, we find the e...

Question: 2.ASP.37

Find Req in the resistance network shown in Fig. 2.67. ...

Verified Answer:

We find the three resistance are in parallel [late...

Question: 2.ASP.36

Compute the equivalent resistance as indicated in Fig. 2.66 if each resistor is 1 kΩ. ...

Verified Answer:

It is easy to see from the circuit that three [lat...

Question: 2.ASP.35b

For the circuit of Fig. 2.65(a). (a) Determine R such that the source delivers a power of 4 mW. (b) Determine R that results in 15 kΩ resistor to absorb 1.6 mW of power (c) Replace R by a voltage source that will cause no power to be absorbed by any resistor. ...

Verified Answer:

(a) Total series resistance,

R_{t}=10+15+R=...

Question: 2.ASP.35

For the circuit of Fig. 2.64, determine the relationship between v and i. ...

Verified Answer:

It is seen that we can find

\nu_{2}

...

Question: 2.ASP.34

In the circuit Fig. 2.63 given i(t) = sin(t), find is (t). ...

Verified Answer:

\begin{aligned} i & =\sin 2 t \\ \nu_{...

Question: 2.ASP.33

The circuit model of a battery charger and battery is drawn in Fig. 2.62. The variable resistance R controls the charging current. Determine R for (a) Charging current of 5A (b) Power delivered to battery of 12.5 W (c) Voltage at battery terminals of 13 V ...

Verified Answer:

(a) By KVL

\begin{aligned} -15+(0.02+R+0.0...

Question: 2.ASP.32

For the circuit of Fig. 2.61, determine vx , the voltage across current source. ...

Verified Answer:

Voltage across

8 \Omega

resistance ...