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May 2024 term · Electronic Systems Thinking and Circuits · EE1101

ESTC Quiz 1: 7 July 2024, Set QEF3 (May 2024 term)

The IIT Madras BS Electronic Systems Thinking and Circuits (ESTC) Quiz 1 paper sat on 7 Jul 2024, in the May 2024 term, set QEF3: 26 questions for 40 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.

Questions
26
Marks
40
Duration
120 min
MCQ
10
Numerical
16
Take as mock testPractise with answers

Updated

Official paper: 2024 July07: IIT M AN EXAM QEF4 · No negative marking.

Question 1

+1 markOne correct option

A 5 μF and a 10 μF capacitor are connected in parallel across a voltage source. The charge stored in the 10 μF capacitor will be twice that stored in the 5 μF capacitor.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 1 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024

Question 2

+1 markOne correct option

The following figure corresponds to the voltage - current characteristics of an ideal current source of value 5 A.

The following figure corresponds to the voltage - current characteristics of an ideal current source of value 5 A.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 2 on its own page

Question 3

+1 markOne correct option

Four 20 Ω resistors are connected in parallel across a voltage source. The equivalent resistance is 4 Ω.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • B

    FALSE

Question 3 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024

Question 4

+1 markOne correct option

For the following circuit, the voltage VAB across the terminals A and B is -2 V.

For the following circuit, the voltage VAB across the terminals A and B is -2 V.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

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

Ampere - hour is an equivalent unit of charge.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 7 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024, Qualifier 13 Apr 2025

Question 8

+1 markOne correct option

If the third harmonic frequency is 150 Hz, then the fundamental frequency is 25 Hz.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • B

    FALSE

Question 8 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024, Qualifier 16 Mar 2025

Question 9

+1 markOne correct option

With reference to the figure below, the relation connecting various currents flowing into or leaving away from node A is given by I1 + I2 = I3 + I4

With reference to the figure below, the relation connecting various currents flowing into or leaving away from node A is given by I1 + I2 = I3 + I4

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 9 on its own page

Question 10

+1 markOne correct option

The resistance of a short circuit between two terminals is infinitely high.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • B

    FALSE

Question 10 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024

Question 11

+1 markNumerical answer

Consider a sine wave represented as v(t) = 5 sin (100t) . Based on the above data, answer the given subquestions.

The angular frequency is ___________ rad / s.

Show answer

Correct answer: 100

Question 11 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024

Question 12

+1 markNumerical answer

Consider a sine wave represented as v(t) = 5 sin (100t) . Based on the above data, answer the given subquestions.

The RMS value of v(t) is ___________ V.

Show answer

Correct answer: 3.53 (accepted within ±0.14)

Question 12 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024

Question 13

+2 marksNumerical answer

For the infinite ladder circuit shown below, the equivalent resistance Req as indicated is_________ Ω.

For the infinite ladder circuit shown below, the equivalent resistance Req as indicated is_________ Ω.

Show answer

Correct answer: 2.735 (accepted within ±0.265)

Question 13 on its own page

Question 14

+2 marksNumerical answer

A capacitor C1 of 1 μF is connected across a series combination of two capacitors C2 and C3 as shown in the figure below. C2 = 2C3 and the arrangement is connected across a DC source. If a voltage of 16 V is measured across C3 , the charge on C1 is ____________μC.

A capacitor C1 of 1 μF is connected across a series combination of two capacitors C2 and C3 as shown in the figure below. C2 = 2C3 and the arrangement is connected across a DC source. If a voltage of 16 V is measured across C3 , the charge on C1 is ____________μC.

Show answer

Correct answer: 24

Question 14 on its own page

Question 15

+2 marksNumerical answer

If a 2A / s change in current through an inductor induces a voltage of 10 V across it, the value of the inductance is ____________H.

Show answer

Correct answer: 5

Question 15 on its own pageAlso asked in Quiz 1 7 Jul 2024, Quiz 1 7 Jul 2024

Question 16

+2 marksNumerical answer

The equivalent resistance between A and B for the circuit shown below is __________ Ω.

The equivalent resistance between A and B for the circuit shown below is __________ Ω.

Show answer

Correct answer: 4.5

Question 16 on its own page

Question 17

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The mesh current I1 in the direction shown is ___________ A.

Show answer

Correct answer: 0.36 (accepted within ±0.04)

Question 17 on its own page

Question 18

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The mesh current I2 in the direction shown is _________ A.

Show answer

Correct answer: 1.28 (accepted within ±0.13)

Question 18 on its own page

Question 19

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The mesh current I3 in the direction shown is _________ A.

Show answer

Correct answer: 1.215 (accepted within ±0.125)

Question 19 on its own page

Question 20

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The current through 5 Ω resistor IA in the direction shown is _______A.

Show answer

Correct answer: -0.915 (accepted within ±0.095)

Question 20 on its own page

Question 21

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The power dissipated in the 5 Ω resistor is _______ W.

Show answer

Correct answer: 4.225 (accepted within ±0.425)

Question 21 on its own page

Question 22

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The current I1 flowing through the 5 Ω resistor in the direction shown is_________ A.

Show answer

Correct answer: 0.6

Question 22 on its own page

Question 23

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The current I2 flowing through the 10 Ω resistor in the direction shown is _________ A.

Show answer

Correct answer: 0.6

Question 23 on its own page

Question 24

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The current I3 flowing through the 6 Ω resistor in the direction shown is _________ A.

Show answer

Correct answer: 0

Question 24 on its own page

Question 25

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

Power dissipated in the 6 Ω resistor is_________ W.

Show answer

Correct answer: 0

Question 25 on its own page

Question 26

+2 marksNumerical answer

For the circuit shown below, answer the given subquestions.

For the circuit shown below, answer the given subquestions.

The voltage VA across 2 Ω with polarity as shown is _________V.

Show answer

Correct answer: 6

Question 26 on its own page