NPTEL Basic Electrical Circuits Week 4 Assignment Answers 2024

NPTEL Basic Electrical Circuits Week 4 Assignment Answers 2024

1. Write the conductance matrix for the above circuit. Find the number of elements In the matrix with null entries, negative entries and entries more than 2 conductance terms respectively.

• 12, 8, 3
• 10, 10, 4
• 8, 12, 4
• 10, 10, 3

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2. Consider all the values of resistance as 2Ω. I₁=2A and I₂=8A find the 3V₁−V₂−V₃−V₅.

• 8
• 4
• 2
• 16

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3.

In the above circuit consider all the values of resistors R = 2KΩ. V₁ = 2V, V₃ = 5V. I₁ = 5mA (Gm = 5, K = 2)

Now find the value of current flowing in the R2 Resistor.

• 2mA
• 6.28mA
• 0 A
• 3.14mA

Refer the following circuit and answer 4,5 questions:

Nodes are labeled as 1,2,3,4,5, and reference node is also provided.

Answer :- 

4. Calculate the sum of the diagonals in the G-matrix for the above circuit? (Units:Ω⁻¹)

• 40k
• 60k
• 2.4m
• 1.6m

Answer :- 

5. The values entries in the I-matrix are:

• [15m A, 0, 0, 3m A, 7m A]
• [15m A, 0, 0, 0, 7m A]
• [15m A, 0, 0, 0, 0]
• [15m A, 0, 0, -3m A, -7m A]

Answer :- 

6. Find the values of V1, V2, V3, V4 in the above circuit.

• -1, 2, 3, 1
• 1, 2, 3, 1
• -1, -2, -3, -5
• 1, 4, 5, 3

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7. Find the power delivered by the 2V battery in the above circuit.

• 2m W
• 8m W
• 4m W
• 10m W

Answer :- 

8. In the circuit shown below find the values of I1, I2 respectively

• -6A, 2.083A
• 6A, 1A
• -6A, 1.083A
• 6A, 2.083A

Answer :- 

9. In the circuit shown below find the value of (V_a – V_b ) –

• 24.41 V
• -24.41 V
• 26.71 V
• 30 V

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10. In the circuit shown ,given that R1=R2=40Ω and R3=80Ω, Calculate the voltage at node A.

• 7.2 V
• 12 V
• 4.25 V
• 4 V

Answer :- 

11. Determine the value of k that will result in Vx being equal to zero in the circuit shown in below figure

R1 = R2 = 1Ω
R3 = 4Ω
R4 = 3Ω

• 2.125 V
• 2.5 V
• 5 V
• 3.25 V

Answer :- 

12. If V_ab = 20V. Find the current flowing through the voltage source given in the below circuit.

• -2.5 A
• -5 A
• 3 A
• 4.5 A

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