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Find The Resultant Resistance Across A-B, in The Following Resistor Arrangements

The document discusses electrical circuits and Kirchhoff's laws. It provides examples of calculating equivalent resistance, voltage, current, and power in circuits with multiple resistors and dependent sources. Seven example circuits are given with calculations for resistance, voltage, current, and power values.

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21UG0904 SEMINI RANDIMA
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45 views3 pages

Find The Resultant Resistance Across A-B, in The Following Resistor Arrangements

The document discusses electrical circuits and Kirchhoff's laws. It provides examples of calculating equivalent resistance, voltage, current, and power in circuits with multiple resistors and dependent sources. Seven example circuits are given with calculations for resistance, voltage, current, and power values.

Uploaded by

21UG0904 SEMINI RANDIMA
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Electrical Circuits – Tutorial # 1

Resistor Networks and Kirchhoff’s laws

1. Find the resultant resistance across a-b, in the following resistor arrangements.

(a)

(b)

(c)

(d)
Ans : (a) 2.56 kΩ, (b) 4 kΩ, (c) 0, (d) 4.44 kΩ

Page 1 of 3
2. In the circuit given in Figure 02, determine the equivalent resistance Req as seen at the
terminals a and b.

Figure 02
Ans: Rab = 22.5 Ω

3. Consider the circuit given in Figure 03. If Voltage at node D, VD = 0 (reference level),
i. Find the voltage at node A and node C.
ii. Hence find i.
iii. Find the voltage at node B.

Ans: VA = 10 V, VC = 6V, i = 3 A, VB = 5.33 V

Figure 03 Figure 04

4. In the circuit given in Figure 04, determine the power associated with the dependent source
and whether it is absorbing power or delivering power.

Ans: V0 = - 10 V, P = +400 W, Absorbing power

Page 2 of 3
5. Find the value of the voltage v in the circuit given in Figure 05.

Figure 05
Ans: V = 3 V

6. Consider he circuit given in Figure 06.


a) Determine the current drawn from the 10V source.
b) Hence, find power P10V associated with the10V source.
c) Determine the power absorbed by 4Ω and 5Ω resistors separately.

Ans: (a) 3 A, (b) -30 W supplied power, (c) 20W, 4W

Figure 06 Figure 07

7. Consider the circuit given in Figure 07. Determine the current through the 24 Ω resistor.

Ans: 0.5 A

Page 3 of 3

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