Download PTU B.Tech 1st Semester [2019] 70971 CIRCUIT THEORY Question Papers

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Roll No.

B.Tech.(EE) PT (Sem.-1)

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CIRCUIT THEORY

Subject Code : BTEE-301

M.Code: 70971

Time: 3 Hrs.

Total No. of Questions : 09

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Total No. of Pages : 02

Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each. SECTION - B & C have FOUR questions each.
2. Attempt any FIVE questions from SECTION B & C carrying EIGHT marks each.

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3. Select atleast TWO questions from SECTION - B & C.

SECTION-A

1. Answer briefly/Fill in the blanks :
   1. State Maximum Power Transfer Theorem.
   2. A network contains only independent current sources and resistances. If the values of all resistors are doubled, the value of the node voltages will become double. (True/False)
   3. Define quality factor of a tank resonant circuit.

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   4. What is a transfer function?
   5. Given a m-derived low pass filter has cut-off frequency I kHz, design impedance of 400O and the resonant of 1100 Hz. Find the value of k.
   6. Define impedance.
   7. State Reciprocity Theorem.
   8. The network function N (S) becomes when S is equal to anyone of the zeros.

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   9. The cut-off frequency of constant k-low pass filter is
   10. Superposition theorem is applicable only to networks that are

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SECTION B

1. Determine i2 if all the sources in the given network are time invariant.
2. Discuss the time domain behaviours from poles and zeros.
3. Discuss the admittance parameters of a two port network.

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4. Explain the final value theorem.

SECTION-C

1. What is the propagation constant of pure resistive network?
2. Find the current through 3+4j branch of the given network.

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