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May 2024 term · Electrical and Electronic Circuits · EE1103

Electrical and Electronic Circuits End Term: 1 September 2024 (May 2024 term)

The IIT Madras BS Electrical and Electronic Circuits (Electrical and Electronic Circuits) End Term paper sat on 1 Sept 2024, in the May 2024 term: 30 questions for 50 marks in 180 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.

Questions
30
Marks
50
Duration
180 min
MCQ
10
Numerical
20
Take as mock testPractise with answers

Updated

Official paper: IIT M ES FOUNDATION AN EXAM QEF3 01 Sep 2024 · No negative marking.

Question 1

+1 markOne correct option

With reference to the figure shown below, vector A leads vector B .

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 1 on its own page

Question 2

+1 markOne correct option

The RMS value of the 220 V, 50 Hz power outlet available in our homes is 220 V.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 2 on its own page

Question 3

+1 markOne correct option

A differential amplifier has a differential gain of 10000. The common mode rejection ratio (CMRR) of this amplifier is 5000. Then, the common mode gain of the amplifier is 2.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 3 on its own page

Question 4

+1 markOne correct option

A MOSFET can function as an amplifier in the triode region.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • B

    FALSE

Question 4 on its own page

Question 5

+1 markOne correct option
  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 5 on its own page

Question 6

+1 markOne correct option
  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 6 on its own page

Question 7

+1 markOne correct option

When the frequency of the applied voltage in a series RC circuit is increased, the magnitude of the capacitive reactance decreases.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 7 on its own page

Question 8

+1 markOne correct option

An ideal transformer having 1000 primary turns is connected to a 200 V, AC supply. The secondary voltage was found to be 500 V. The number of secondary turns of this transformer is 2000.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • B

    FALSE

Question 8 on its own page

Question 9

+1 markOne correct option

For the nMOS transistor shown below, the threshold voltage is 1 V. It operates in the saturation region.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 9 on its own page

Question 10

+1 markOne correct option
  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • B

    FALSE

Question 10 on its own page

Question 11

+2 marksNumerical answer
Show answer

Correct answer: 12

Question 11 on its own page

Question 12

+2 marksNumerical answer
Show answer

Correct answer: 0.5

Question 12 on its own page

Question 13

+2 marksNumerical answer
Show answer

Correct answer: 3

Question 13 on its own page

Question 14

+2 marksNumerical answer
Show answer

Correct answer: 2

Question 14 on its own page

Question 15

+1 markNumerical answer

Based on the above data, answer the given subquestions.

Show answer

Correct answer: 1

Question 15 on its own page

Question 16

+1 markNumerical answer

Based on the above data, answer the given subquestions.

Show answer

Correct answer: 2

Question 16 on its own page

Question 17

+2 marksNumerical answer

Based on the above circuit, answer the given subquestions.

With reference to the Circuit I determine the voltage VA (in V) with respect to ground.

Show answer

Correct answer: 10.83 (accepted within ±1.09)

Question 17 on its own page

Question 18

+2 marksNumerical answer

Based on the above circuit, answer the given subquestions.

With reference to the Circuit I determine the thevenin voltage across the terminals X and Y (in V)

Show answer

Correct answer: 10.83 (accepted within ±1.09)

Question 18 on its own page

Question 19

+2 marksNumerical answer

Based on the above circuit, answer the given subquestions.

With reference to the Circuit I determine the thevenin resistance seen between the terminals X and Y (in Ω)

Show answer

Correct answer: 2.925 (accepted within ±0.295)

Question 19 on its own page

Question 20

+2 marksNumerical answer

Based on the above circuit, answer the given subquestions.

Now if a load resistor RL is connected across the terminals X and Y as in Circuit II, determine the value of RL that will draw maximum power from the circuit (in Ω)

Show answer

Correct answer: 2.925 (accepted within ±0.295)

Question 20 on its own page

Question 21

+2 marksNumerical answer

Based on the above circuit, answer the given subquestions.

Now if a load resistor RL is connected across the terminals X and Y as in Circuit II, determine the maximum power delivered to the load (in W)

Show answer

Correct answer: 10.035 (accepted within ±1.005)

Question 21 on its own page

Question 22

+2 marksNumerical answer

Consider the BJT differential amplifier circuit shown below.

Based on the above data, answer the given subquestions.

The collector current I1 of transistor Q1 (in mA)

Show answer

Correct answer: 0.495 (accepted within ±0.025)

Question 22 on its own page

Question 23

+2 marksNumerical answer

Consider the BJT differential amplifier circuit shown below.

Based on the above data, answer the given subquestions.

The collector voltage VB of transistor Q2 (in V)

Show answer

Correct answer: 3.515 (accepted within ±0.185)

Question 23 on its own page

Question 24

+2 marksNumerical answer

Consider the BJT differential amplifier circuit shown below.

Based on the above data, answer the given subquestions.

The voltage VX at the common emitter terminal (in V)

Show answer

Correct answer: -2.68 (accepted within ±0.14)

Question 24 on its own page

Question 25

+2 marksNumerical answer

Consider the BJT differential amplifier circuit shown below.

Based on the above data, answer the given subquestions.

Now, the voltages V1 and V2 are changed to V1 =1 V and V2 = −1 V. All other circuit components and values in the circuit are kept the same.
The new value of the voltage VX at the common emitter terminal (in V)

Show answer

Correct answer: 0.3 (accepted within ±0.03)

Question 25 on its own page

Question 26

+2 marksNumerical answer

Consider the BJT differential amplifier circuit shown below.

Based on the above data, answer the given subquestions.

Now, the voltages V1 and V2 are changed to V1 =1 V and V2 = −1 V. All other circuit components and values in the circuit are kept the same.
The collector voltage VA of transistor Q1 (in V)

Show answer

Correct answer: 2 (accepted within ±0.2)

Question 26 on its own page

Question 27

+2.5 marksNumerical answer

With reference to the two-port network shown below,

Based on the above data, answer the given subquestions.

The Z parameter Z11 (in Ω)

Show answer

Correct answer: 9.5 (accepted within ±0.95)

Question 27 on its own page

Question 28

+2.5 marksNumerical answer

With reference to the two-port network shown below,

Based on the above data, answer the given subquestions.

The Z parameter Z12 (in Ω)

Show answer

Correct answer: 5.6 (accepted within ±0.56)

Question 28 on its own page

Question 29

+2.5 marksNumerical answer

With reference to the two-port network shown below,

Based on the above data, answer the given subquestions.

The Z parameter Z21 (in Ω)

Show answer

Correct answer: 5 (accepted within ±0.5)

Question 29 on its own page

Question 30

+2.5 marksNumerical answer

With reference to the two-port network shown below,

Based on the above data, answer the given subquestions.

The Z parameter Z22 (in Ω)

Show answer

Correct answer: 4 (accepted within ±0.4)

Question 30 on its own page