Current Electricity (Advanced)

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Current Electricity (Advanced) MCQ & Objective Questions

Understanding "Current Electricity (Advanced)" is crucial for students aiming to excel in their exams. This topic not only forms a significant part of the syllabus but also features prominently in various competitive exams. Practicing MCQs and objective questions helps reinforce concepts and boosts confidence, making it easier to tackle important questions during exam preparation.

What You Will Practise Here

  • Ohm's Law and its applications
  • Circuit analysis using Kirchhoff's laws
  • Concept of resistance, capacitance, and inductance
  • Series and parallel circuits
  • Power calculations in electrical circuits
  • Understanding electric fields and potential difference
  • Real-life applications of current electricity

Exam Relevance

The topic of "Current Electricity (Advanced)" is integral to the curriculum for CBSE, State Boards, NEET, and JEE. Students can expect questions that assess their understanding of fundamental concepts, calculations, and applications. Common question patterns include numerical problems, conceptual MCQs, and theoretical questions that require a deep understanding of the subject matter.

Common Mistakes Students Make

  • Confusing series and parallel circuit calculations
  • Misapplying Ohm's Law in complex circuits
  • Overlooking the significance of units in calculations
  • Neglecting to consider internal resistance in practical scenarios
  • Failing to relate theoretical concepts to real-world applications

FAQs

Question: What are the key formulas I should remember for Current Electricity?
Answer: Important formulas include Ohm's Law (V = IR), power (P = VI), and the rules for series and parallel circuits.

Question: How can I improve my performance in Current Electricity MCQs?
Answer: Regular practice of MCQs, understanding the underlying concepts, and reviewing mistakes will significantly enhance your performance.

Start solving practice MCQs today to solidify your understanding of "Current Electricity (Advanced)" and prepare effectively for your exams. Every question you tackle brings you one step closer to success!

Q. A force of 30 N is applied at an angle of 60 degrees to the horizontal. What is the horizontal component of the force?
  • A. 15 N
  • B. 30 N
  • C. 25 N
  • D. 20 N
Q. A rotating disk has an angular velocity of 10 rad/s. What is its angular momentum if its moment of inertia is 2 kg·m²?
  • A. 20 kg·m²/s
  • B. 10 kg·m²/s
  • C. 5 kg·m²/s
  • D. 15 kg·m²/s
Q. If a car traveling at 20 m/s comes to a stop in 5 seconds, what is its deceleration?
  • A. 2 m/s²
  • B. 4 m/s²
  • C. 5 m/s²
  • D. 10 m/s²
Q. If a rotating object has a moment of inertia of 2 kg·m² and an angular acceleration of 3 rad/s², what is the torque applied?
  • A. 6 N·m
  • B. 5 N·m
  • C. 3 N·m
  • D. 2 N·m
Q. If the radius of a circular path is doubled, how does the centripetal force change for a constant speed?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. What is the force required to keep a 10 kg object moving at a constant velocity on a frictionless surface?
  • A. 0 N
  • B. 10 N
  • C. 100 N
  • D. 1 N
Q. What is the gravitational force between two 10 kg masses separated by 2 m?
  • A. 25 N
  • B. 50 N
  • C. 100 N
  • D. 200 N
Q. What is the kinetic energy of a 2 kg object moving at a speed of 3 m/s?
  • A. 9 J
  • B. 6 J
  • C. 12 J
  • D. 3 J
Q. What is the kinetic energy of an object with a mass of 2 kg moving at a speed of 3 m/s?
  • A. 9 J
  • B. 6 J
  • C. 3 J
  • D. 0 J
Q. What is the net force acting on an object in equilibrium?
  • A. Zero
  • B. Equal to its weight
  • C. Equal to its mass
  • D. Equal to the applied force
Q. What is the net force acting on an object in uniform motion?
  • A. 0 N
  • B. 10 N
  • C. 5 N
  • D. 20 N
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