NPTEL Basic Electrical Circuits Week 6 Assignment Answers 2024

NPTEL Basic Electrical Circuits Week 6 Assignment Answers 2024

1. In the circuit shown below, find the value of R_L so that it causes maximum power transfer.

• 250 Ω
• 1k Ω
• 500 Ω
• 2k Ω

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2. Find the current IL through the load resistance R_L.

• 47.62 mA
• 83.33 mA
• 50 mA
• 55.55 mA

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3. Find the value of maximum power dissipated across resistor R (choose the closest value from options).

• 381 mW
• 400 mW
• 318 mW
• 300 mW

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4. The voltage across A and B is Vx, then find 𝑉_th and R_th for the following circuit.

• 10.2 V, 2.67k Ω
• 8.33 V, 5.167k Ω
• 4.16 V, 16.67k Ω
• 2.67 V, 8.33k Ω

Answer :- 

5. Find the magnitude of the Short circuit current and the 𝑅_𝑡ℎ 𝑜𝑟 𝑅_𝑛𝑜𝑟 of the below circuit.

• 2m A, 5k Ω
• 5m A, 2k Ω
• 1m A, 10k Ω
• 5m A, 10k Ω

Answer :- 

6. For the below circuit, |1/Y₁₁|,|1/Y₁₂|,|1/Y₂₁|,|1/Y₂₂| will be respectively:

• 6k Ω, 3k Ω, 3k Ω, 6k Ω
• 3k Ω, 3k Ω, 3k Ω, 3k Ω
• 6k Ω, 6k Ω, 6k Ω, 6k Ω
• 3k Ω, 6k Ω, 6k Ω, 3k Ω

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7. For the below circuit, find 𝑉_𝑡ℎ and 𝑅_𝑡ℎ

• 32 V, 8 Ω
• 32 V, 4 Ω
• 16 V, 8 Ω
• 16 V, 4 Ω

Answer :- 

8. Find the In and R equivalents from the below circuits.

• 4 A, 4 Ω
• 2 A, 3 Ω
• 2 A, 4 Ω
• 4 A, 3 Ω

Answer :- 

9. Find the y parameters [y₁₁,y₁₂,y₂₁,y₂₂] of the given two port network.

• 0.1192 S, -0.1115 S, -0.1115 S, 0.1269 S
• 0.1234 S, -0.1115 S, 0.2432 S, -0.8735 S
• 0.1236 S, 0.4873 S, -0.2836 S, -0.2359 S
• 0.1236 S, 0.4231 S, -0.4523 S, 0.4231 S

Answer :- 

10. Find the Y-matrix [y₁₁,y₁₂,y₂₁,y₂₂] for the following circuit.

• 0.6, 0, -0.2, 0.2
• 0.3, 0.4, 0.5, 0
• 0.6, 0.2, 0.4, 0.3
• 0, 0.2, 0.4, -0.2

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11. Find the thevenin voltage,norton current,thevenin resistance for the below circuit.

• -7.857 V, -3.235 mA, 2.429k Ω
• 8.364 V, -3.982 mA, 3.475k Ω
• -6.734 V, -2.463 mA, 2.124k Ω
• -5.346 V, -3.462 mA.3.426k Ω

Answer :- 

12. Find the value of R for the maximum power transfer and find Maximum Power transfer for the circuit:

• 5 Ω , 40 W
• 5 Ω, 45 W
• 7 Ω, 45 W
• 7 Ω, 40 W

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