NPTEL Basic Electrical Circuits Week 12 Assignment Answers 2024

NPTEL Basic Electrical Circuits Week 12 Assignment Answers 2024

1. The steady state value of I in the below circuit is

• 1A
• 2A
• 3A
• 0.5A

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2. Find the time domain voltages V₁(t) and V₂(t) in the circuit shown below

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3. Based on the below circuit,find the value for time domain current i₁

• 1 cos(10³t + 30_༠) A
• 1.24 sin(10³t +45_༠) A
• 1.24 cos (10³t + 29.7_༠) A
• 2.77 cos (10³t + 56.3_༠) A

Answer :- 

4.

Find the Value of R_L*X_L for the Maximum power Transfer

• 12.5j
• -12.5j
• 2j
• -2j

Answer :- 

Answer the following 2 Questions based on the Below figure

5. Find the Value of Vout/Vin

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6. find the value of V1/Vin

Answer :- 

7. Find the current I in the circuit given below,

• -j A
• j A
• (2 + 3j) A
• 2 A

Answer :- 

8. Why does the phasor response and time response of the Voltage across the capacitor for the below circuit different. (Initial conditions are 0)

• Natural response does not die out
• Steady state response does not die out
• Phasor response does not work for current source
• None of these

Answer :- 

9. The voltage across the capacitor (C Farads). What will be the expression for Current across the capacitor?

• CV₁cos(ωt+110⁰)
• CV₁sin(ωt+110⁰)
• CV₁sin(ωt−70⁰)
• CV₁cos(ωt−90⁰)

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10. Identify the nature of the load for the given phasor.

• Purely capacitive
• Purely inductive
• RL or RLC load
• RC or RLC load

Answer :- 

Q.11,12:-

Answer the following questions for the circuit shown belowGiven, The frequency is 50 Hz, and V_S = V_m ∠0

11. Find L for which the output voltage leads V_s by 25^o. What is|V_o|/|V_S| in this case?

• 136 mH, 0.9
• 138 mH, 0.8
• 126 mH, 0.9
• 200 mH, 0.8

Answer :- 

12. Compute the time difference between the zero crossings of V_S(t) and V_o (t)-

• 1.4 ms
• 2.4 ms
• 1.0 ms
• 2.0 ms

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