InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
What is the basic law that has to be followed in order to analyze the circuit?(a) Newton’s laws(b) Faraday’s laws(c) Ampere’s laws(d) Kirchhoff’s lawThis question was posed to me in an online interview.I would like to ask this question from Kirchhoff’s Voltage Law in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» Right answer is (d) KIRCHHOFF’s law |
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| 52. |
What is the value of current if a 50C charge flows in a conductor over a period of 5 seconds?(a) 5A(b) 10A(c) 15A(d) 20AI had been asked this question by my school principal while I was bunking the class.My query is from Kirchhoff’s Current Law in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» The CORRECT option is (b) 10A |
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| 53. |
Which is the most cost efficient connection?(a) Series(b) Parallel(c) Either series or parallel(d) Neither series nor parallelThe question was asked in an online quiz.My doubt is from Series Circuits and Parallel Networks in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» The CORRECT CHOICE is (a) Series |
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| 54. |
In a _________ circuit, the total resistance is greater than the largest resistance in the circuit.(a) Series(b) Parallel(c) Either series or parallel(d) Neither series nor parallelThis question was posed to me in exam.Asked question is from Series Circuits and Parallel Networks topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» The CORRECT CHOICE is (a) Series |
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| 55. |
The currents in the three branches of a parallel circuit are 3A, 4A and 5A. What is the current leaving it?(a) 0A(b) Insufficient data provided(c) The largest one among the three values(d) 12AI have been asked this question by my college director while I was bunking the class.My question is taken from Parallel Networks in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» Right answer is (d) 12A |
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| 56. |
What is the value of the current I?(a) 8A(b) 7A(c) 6A(d) 5AI have been asked this question during an interview for a job.I need to ask this question from Kirchhoff’s Current Law in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» CORRECT CHOICE is (a) 8A Easy EXPLANATION: At the JUNCTION, I-2+3-4-5=0. HENCE I=8A. |
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| 57. |
Calculate the total current in the circuit.(a) 20 A(b) 10 A(c) 11.43 A(d) 15 AThis question was posed to me during an online exam.Origin of the question is Parallel Networks topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» CORRECT choice is (c) 11.43 A The best I can explain: The 1 ohm and 2 ohm resistor are in SERIES which is in parallel to the 3 ohm resistor. The equivalent of these resistances (3/2 ohm) is in series with the 4 ohm and 5 ohm resistor. TOTAL R = 21/2 ohm. I=V/R=120/(21/2)=240/21=11.43 A. |
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| 58. |
The rise or fall in resistance with the rise in temperature depends on ________(a) The property of the conductor material(b) The current in the metal(c) Property of material as well current in that material(d) Does not depend on any factorThis question was posed to me in exam.My query is from Temperature Coefficient of Resistance topic in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» Right option is (a) The property of the CONDUCTOR material |
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| 59. |
Calculate the work done in a resistor of 20 ohm carrying 5A of current in 3 hours.(a) 1.5J(b) 15J(c) 1.5kWh(d) 15kWhI got this question in exam.The above asked question is from Power in division Simple DC Networks of Basic Electrical Engineering |
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Answer» RIGHT CHOICE is (c) 1.5kWh Explanation: To find POWER: P=I^2R=5^2*20=500W=0.5kW. To find WORK done: W=Pt=0.5*3=1.5kWh. |
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| 60. |
A copper coil has a resistance of 200 ohms when its mean temperature is 0 degree centigrade. Calculate the resistance of the coil when its mean temperature is 80 degree centigrade. Temperature coefficient of copper is 0.004041 centigrade^-1(a) 264.65 ohm(b) 264.65 kilo-ohm(c) 286.65 ohm(d) 286.65 kilo-ohmThis question was posed to me in unit test.I'm obligated to ask this question of Temperature Coefficient of Resistance topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» RIGHT CHOICE is (a) 264.65 ohm Explanation: R=R0(1+α dT) = 200(1+ 0.004041*80) = 264.65 ohm. |
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| 61. |
What is the resistivity of Copper?(a) 1.59*10^-8ohm-m(b) 2.7*10^-8ohm-m(c) 7.3*10^-8ohm-m(d) 5.35*10^-8ohm-mI got this question in my homework.My question is based upon Resistivity topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» Right answer is (a) 1.59*10^-8ohm-m |
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| 62. |
A current of 2A flows in a wire offering a resistance of 10ohm. Calculate the energy dissipated by the wire in 0.5 hours.(a) 72Wh(b) 72kJ(c) 7200J(d) 72kJhI had been asked this question in exam.My enquiry is from Energy topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» Correct choice is (b) 72kJ |
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| 63. |
Out of the following, which one is not a source of electrical energy?(a) Solar cell(b) Battery(c) Potentiometer(d) GeneratorThis question was posed to me by my college professor while I was bunking the class.Query is from Energy topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» Right answer is (c) Potentiometer |
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| 64. |
Calculate the power in the 20 ohm resistance.(a) 2000kW(b) 2kW(c) 200kW(d) 2WI had been asked this question during an interview for a job.My doubt stems from Power in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» Right choice is (B) 2kW |
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| 65. |
Calculate the voltage across the 10 ohm resistor.(a) 12V(b) 4V(c) 10V(d) 0VI had been asked this question in an interview for job.I'm obligated to ask this question of Kirchhoff’s Voltage Law in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» RIGHT answer is (B) 4V Explanation: TOTAL RESISTANCE = 5+10+15 = 30 OHM. Current in the circuit is 12/30 A. Voltage across 10 ohm resistor is 10*(12/30) = 4V. |
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| 66. |
KVL deals with the conservation of?(a) Mass(b) Momentum(c) Charge(d) EnergyThe question was asked in class test.I'm obligated to ask this question of Kirchhoff’s Voltage Law topic in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» The correct answer is (d) ENERGY |
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| 67. |
Find the value of i2, i4 and i5 if i1=3A, i3=1A and i6=1A.(a) 2,-1,2(b) 4,-2,4(c) 2,1,2(d) 4,2,4The question was posed to me by my school teacher while I was bunking the class.I'd like to ask this question from Kirchhoff’s Current Law topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» The correct option is (a) 2,-1,2 |
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| 68. |
Calculate the current A.(a) 5A(b) 10A(c) 15A(d) 20AI have been asked this question during an online interview.I would like to ask this question from Kirchhoff’s Current Law in section Simple DC Networks of Basic Electrical Engineering |
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Answer» The correct ANSWER is (c) 15A |
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| 69. |
KCL can be applied for __________(a) Planar networks(b) Non-planar networks(c) Both planar and non-planar(d) Neither planar nor non-planarThe question was asked in an interview for internship.This intriguing question originated from Kirchhoff’s Current Law in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» Correct option is (c) Both planar and non-planar |
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| 70. |
Calculate the equivalent resistance between A and B.(a) 60 ohm(b) 15 ohm(c) 12 ohm(d) 48 ohmThis question was posed to me during an online interview.My doubt is from Series Circuits and Parallel Networks in division Simple DC Networks of Basic Electrical Engineering |
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Answer» Right option is (c) 12 ohm |
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| 71. |
The current in each branch of a parallel circuit is proportional to _________(a) The amount of time the circuit is on for(b) Proportional to the value of the resistors(c) Equal in all branches(d) Proportional to the power in the circuitThe question was posed to me in an online quiz.My doubt stems from Parallel Networks in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» The correct answer is (b) PROPORTIONAL to the value of the resistors |
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| 72. |
The voltage across the short is?(a) 135V(b) Infinity(c) Zero(d) 11.25VThe question was asked in unit test.Asked question is from Parallel Networks topic in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» CORRECT choice is (c) Zero Explanation: The voltage across a SHORT is ALWAYS equal to zero whether it is CONNECTED in SERIES or parallel. |
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| 73. |
Materials having resistance almost equal to zero is _______(a) Semi-conductor(b) Conductor(c) Superconductors(d) InsulatorsThis question was posed to me at a job interview.Question is from Temperature Coefficient of Resistance topic in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» The correct choice is (C) Superconductors |
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| 74. |
A battery converts___________(a) Electrical energy to chemical energy(b) Chemical energy to electrical energy(c) Mechanical energy to electrical energy(d) Chemical energy to mechanical energyI got this question in class test.Asked question is from Energy topic in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» CORRECT option is (b) CHEMICAL energy to electrical energy Explanation: A battery is a device in which the chemical ELEMENTS within the battery REACT with each other to produce electrical energy. |
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| 75. |
A bulb has a power of 200W. What is the energy dissipated by it in 5 minutes?(a) 60J(b) 1000J(c) 60kJ(d) 1kJThe question was asked by my college director while I was bunking the class.My question comes from Energy in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» Right answer is (c) 60kJ |
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| 76. |
Find the value of the currents I1 and I2.(a) 0.3, 0.1(b) -0.1, -0.3(c) -0.3, -0.1(d) 0.1, 0.2The question was asked in an interview for internship.I would like to ask this question from Kirchhoff’s Voltage Law in division Simple DC Networks of Basic Electrical Engineering |
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Answer» CORRECT choice is (d) 0.1, 0.2 To explain: Using KVL in LOOP 1, 10-100 i1=0. i1=0.1A Using KVL in OUTER loop, -100i2+20=0i2=0.2A. |
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| 77. |
Calculate the equivalent resistance between A and B.(a) 2 ohm(b) 4 ohm(c) 6 ohm(d) 8 ohmThe question was asked by my school teacher while I was bunking the class.Query is from Series Circuits and Parallel Networks topic in section Simple DC Networks of Basic Electrical Engineering |
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Answer» Right answer is (b) 4 ohm |
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| 78. |
Which of the following statements are true about insulators?(a) Insulators have a positive temperature coefficient(b) Insulators have a negative temperature coefficient(c) Insulators have zero temperature coefficient(d) Insulators have infinite temperature coefficientI got this question in unit test.I would like to ask this question from Temperature Coefficient of Resistance in section Simple DC Networks of Basic Electrical Engineering |
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Answer» RIGHT choice is (B) Insulators have a negative TEMPERATURE coefficient The BEST explanation: Insulators have a negative temperature coefficient because as temperature increases, the resistance of insulators decreases. |
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| 79. |
Which of the following is not an expression power?(a) P=VI(b) P=I^2R(c) P=V^2/R(d) P=I/RThis question was addressed to me during an internship interview.This intriguing question originated from Power in division Simple DC Networks of Basic Electrical Engineering |
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Answer» The CORRECT choice is (d) P=I/R |
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| 80. |
Calculate the value of V1 and V2.(a) 4V, 6V(b) 5V, 6V(c) 6V, 7V(d) 7V, 8VThis question was addressed to me in an online interview.The doubt is from Kirchhoff’s Voltage Law topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» Correct CHOICE is (a) 4V, 6V |
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| 81. |
If the current through x ohm resistance in the circuit is 5A, find the value of x.(a) 27 ohm(b) 5 ohm(c) 12 ohm(d) 135 ohmI have been asked this question by my school principal while I was bunking the class.The query is from Parallel Networks topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» CORRECT ANSWER is (a) 27 ohm The EXPLANATION: R=V/I. In this CIRCUIT I=5A and V=135V. THEREFORE, R=135/5=27 ohm. |
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| 82. |
It is preferable to connect bulbs in series or in parallel?(a) Series(b) Parallel(c) Both series and parallel(d) Neither series nor parallelI have been asked this question by my college professor while I was bunking the class.My doubt is from Series Circuits and Parallel Networks in chapter Simple DC Networks of Basic Electrical Engineering |
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Answer» Correct choice is (b) Parallel |
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| 83. |
Which of the following statements are true with regard to resistance?(a) Resistance is directly proportional to a length of the wire(b) Resistance is directly proportional to an area of cross section of the wire(c) Resistance is inversely proportional to the length of the wire(d) Resistance is inversely proportional to the resistivity of the wireI got this question by my school principal while I was bunking the class.The above asked question is from Resistivity topic in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» Correct choice is (a) Resistance is directly PROPORTIONAL to a length of the WIRE |
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| 84. |
The resistance of pure metals ___________(a) Increases with an increase in temperature(b) Decreases with an increase in temperature(c) Remains the same with an increase in temperature(d) Becomes zero with an increase in temperatureThis question was addressed to me in class test.My question is from Temperature Coefficient of Resistance topic in division Simple DC Networks of Basic Electrical Engineering |
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Answer» Correct option is (a) INCREASES with an increase in temperature |
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| 85. |
Calculate the power across each 20 ohm resistance.(a) 1000W, 1000W(b) 500W, 500W(c) 1000kW, 1000kW(d) 500kW, 500kWI have been asked this question in quiz.My question is based upon Power in section Simple DC Networks of Basic Electrical Engineering |
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Answer» Correct choice is (B) 500W, 500W |
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| 86. |
A current of 5A flows in a resistor of 2 ohms. Calculate the energy dissipated in 300 seconds in the resistor.(a) 15kJ(b) 15000kJ(c) 1500J(d) 15JI got this question in an interview for internship.The query is from Power in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» RIGHT OPTION is (a) 15kJ For EXPLANATION I WOULD SAY: P=I^2R =5^2*2=50W. E= Pt=50*300=15000J=15kJ. |
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| 87. |
In a parallel circuit, with a number of resistors, the voltage across each resistor is ________(a) The same for all resistors(b) Is divided equally among all resistors(c) Is divided proportionally across all resistors(d) Is zero for all resistorsThe question was posed to me in homework.My doubt is from Parallel Networks in portion Simple DC Networks of Basic Electrical Engineering |
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Answer» The correct CHOICE is (a) The same for all resistors |
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| 88. |
Kilowatt-hour(kWh) is a unit of?(a) Current(b) Power(c) Energy(d) ResistanceThis question was addressed to me in an online quiz.Enquiry is from Power in division Simple DC Networks of Basic Electrical Engineering |
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Answer» CORRECT choice is (c) Energy Easiest explanation: POWER is the energy per UNIT TIME. That is, P=E/t. If the unit of power in kW and the unit of time is an HOUR, then the unit of energy=unit of power*unit of time=kWh. |
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