## 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/Y_{11}|,|1/Y_{12}|,|1/Y_{21}|,|1/Y_{22}| 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 [y_{11},y_{12},y_{21},y_{22}] 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 [y_{11},y_{12},y_{21},y_{22}] 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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