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Major Competitive Exams

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Q. If two resistors of 4 ohms and 6 ohms are connected in series, what is the voltage drop across the 4 ohm resistor when a current of 2 A flows through the circuit?
  • A. 8 V
  • B. 4 V
  • C. 2 V
  • D. 6 V
Q. If two resistors of 4Ω and 12Ω are connected in series, what is the total voltage across them if the current flowing is 2A? (2020)
  • A. 32V
  • B. 24V
  • C. 16V
  • D. 8V
Q. If two resistors of 4Ω and 6Ω are connected in parallel, what is the equivalent resistance? (2022)
  • A. 2.4Ω
  • B. 10Ω
  • C. 24Ω
  • D. 1.5Ω
Q. If two resistors of 4Ω and 6Ω are connected in series, what is the total resistance? (2023)
  • A. 10Ω
  • B. 24Ω
  • C. 2.4Ω
  • D. 12Ω
Q. If two resistors of 4Ω and 6Ω are connected in series, what is the total voltage across them if the current is 2A? (2022)
  • A. 20V
  • B. 12V
  • C. 8V
  • D. 10V
Q. If two resistors of 5Ω and 10Ω are connected in series, what is the total resistance? (2021)
  • A. 5Ω
  • B. 10Ω
  • C. 15Ω
  • D. 20Ω
Q. If two resistors of resistivity 5 x 10^-6 Ω·m are connected in series, what is the total resistivity?
  • A. 5 x 10^-6 Ω·m
  • B. 10 x 10^-6 Ω·m
  • C. 2.5 x 10^-6 Ω·m
  • D. None of the above
Q. If two resistors of resistivity 5 Ω·m and 10 Ω·m are connected in series, what is the total resistance?
  • A. 15 Ω
  • B. 5 Ω
  • C. 10 Ω
  • D. 20 Ω
Q. If two resistors of resistivity ρ are connected in series, what is the total resistivity of the combination?
  • A. ρ
  • B. 2ρ
  • C. ρ/2
  • D. Depends on the configuration
Q. If two rigid bodies have the same mass and shape but one is rotating faster than the other, how does their moment of inertia compare?
  • A. The same
  • B. The faster one has a larger moment of inertia
  • C. The slower one has a larger moment of inertia
  • D. Cannot be determined
Q. If two sound waves of the same frequency interfere constructively, what happens to the resultant amplitude?
  • A. It decreases
  • B. It remains the same
  • C. It doubles
  • D. It becomes zero
Q. If two tangents are drawn from a point outside a circle and they are equal in length, what can be said about the point?
  • A. It is inside the circle
  • B. It is on the circle
  • C. It is outside the circle
  • D. It is the center of the circle
Q. If two tangents are drawn from a point outside a circle and they are equal in length, what can be said about the point and the circle?
  • A. The point is inside the circle
  • B. The point is on the circle
  • C. The point is outside the circle
  • D. The point is the center of the circle
Q. If two tangents are drawn from a point outside a circle, and the lengths of the tangents are 7 cm each, what is the distance from the point to the center of the circle?
  • A. 7√2
  • B. 7
  • C. 14
  • D. √49
Q. If two tangents are drawn from a point outside a circle, and the lengths of the tangents are 7 cm and 7 cm, what is the distance from the point to the center of the circle?
  • A. 7√2
  • B. 7
  • C. 14
  • D. 10
Q. If two waves have a phase difference of π radians, what type of interference occurs?
  • A. Constructive interference
  • B. Destructive interference
  • C. No interference
  • D. Complete interference
Q. If two waves interfere constructively, what is the condition for the path difference?
  • A. (n + 1/2)λ
  • B. nλ
  • C. (n - 1/2)λ
  • D. n/2 λ
Q. If two waves of equal amplitude interfere destructively, what is the phase difference between them?
  • A. 0 rad
  • B. π/2 rad
  • C. π rad
  • D. 3π/2 rad
Q. If two waves of equal amplitude interfere destructively, what is the resultant amplitude?
  • A. 0
  • B. A
  • C. 2A
  • D. A/2
Q. If two waves of equal amplitude interfere, what is the maximum intensity observed?
  • A. A^2
  • B. 2A^2
  • C. 4A^2
  • D. A
Q. If two waves of the same frequency interfere constructively, what is the result?
  • A. A wave of lower amplitude
  • B. A wave of higher amplitude
  • C. No wave
  • D. A standing wave
Q. If two waves traveling in opposite directions interfere constructively, what is the result?
  • A. A smaller amplitude wave
  • B. A larger amplitude wave
  • C. No wave
  • D. A standing wave
Q. If two wires of the same material are connected in series, how does their combined resistance compare to the individual resistances?
  • A. Less than both
  • B. Equal to the sum
  • C. Greater than both
  • D. Depends on length
Q. If u = (1, 2) and v = (3, 4), what is the dot product u · v?
  • A. 10
  • B. 11
  • C. 12
  • D. 7
Q. If u = (1, 2) and v = (3, 4), what is u + v?
  • A. (4, 6)
  • B. (2, 3)
  • C. (1, 2)
  • D. (3, 4)
Q. If u = (1, 2, 3) and v = (4, 5, 6), what is the dot product u · v?
  • A. 32
  • B. 27
  • C. 26
  • D. 30
Q. If u = (2, 3, 1) and v = (1, 0, -1), find the dot product u · v.
  • A. 5
  • B. 2
  • C. 1
  • D. 0
Q. If U = {1, 2, 3, 4, 5} and A = {1, 2}, what is A'?
  • A. {3, 4, 5}
  • B. {1, 2}
  • C. {1, 2, 3}
  • D. {}
Q. If U = {1, 2, 3, 4, 5}, A = {1, 2}, and B = {2, 3}, what is A ∪ B?
  • A. {1, 2}
  • B. {1, 2, 3}
  • C. {1, 2, 3, 4, 5}
  • D. {2, 3, 4, 5}
Q. If U is sitting at one end and V is sitting next to U, who is sitting at the other end if W is seated between V and X?
  • A. U
  • B. V
  • C. W
  • D. X
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Major Competitive Exams MCQ & Objective Questions

Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.

What You Will Practise Here

  • Key concepts and theories related to major subjects
  • Important formulas and their applications
  • Definitions of critical terms and terminologies
  • Diagrams and illustrations to enhance understanding
  • Practice questions that mirror actual exam patterns
  • Strategies for solving objective questions efficiently
  • Time management techniques for competitive exams

Exam Relevance

The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.

Common Mistakes Students Make

  • Rushing through questions without reading them carefully
  • Overlooking the negative marking scheme in MCQs
  • Confusing similar concepts or terms
  • Neglecting to review previous years’ question papers
  • Failing to manage time effectively during the exam

FAQs

Question: How can I improve my performance in Major Competitive Exams?
Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.

Question: What types of questions should I focus on for these exams?
Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.

Question: Are there specific strategies for tackling objective questions?
Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.

Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!

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