EKT 101 Electric Circuit Theory
Tutorial/Assignment 2 (Chapter 6 and 7)
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Questions need to be discussed in Tutorial Class.
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Q1.
Derive the circuit in Figure 1 into frequency domain. Then
Figure 1
(steady state response)
Q2. (a) If is = 5 cos (10t + 40) A in the circuit in the Figure 2 (a), find io.
Figure 2 (a)
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EKT 101 Electric Circuit Theory
Tutorial/Assignment 2 (Chapter 6 and 7)
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2. (b) Given the circuit in Figure 2 (b), convert it into phasor domain. Hence find i1 and i2.
i1
i2
Figure 2 (b)
Q3. (a) Using both (i) Nodal and (ii) Mesh analysis derive the value of v0 in Figure 3(a).
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EKT 101 Electric Circuit Theory
Tutorial/Assignment 2 (Chapter 6 and 7)
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Q3. (b) Using Nodal and/or Mesh analysis, derive the values of I0 and V0 in Figure 3. Hence
find i0(t) and v0(t) respectively.
8
8
16
0.2
16
8
20
Figure 3 (b)
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Q4. Derive the circuit in Figure 4 into frequency domain. Find the average power
(supplied/absorbed) for each element.
4
2
vs  10cos2t  30
1H
0.25F
Figure 4
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EKT 101 Electric Circuit Theory
Tutorial/Assignment 2 (Chapter 6 and 7)
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Q5. Find the average power supplied and/or absorbed by each element.
Figure 5
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