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3 Days Timetable: Current Electricity (2025) | Physics for JEE Main & Advanced PDF Download

Let's explore the Physics chapter called "Current Electricity" as it is one of the most important and scoring chapters in JEE Physics. A solid grasp of this chapter not only helps in direct questions from the topic but also strengthens problem-solving skills in Electromagnetism, Circuits, and Electronics.

Based on 2025 prediction, here is a table provided below on expected no. of questions.

3 Days Timetable: Current Electricity (2025) | Physics for JEE Main & Advanced

Weightage & Key Insights

Importance of Current Electricity for JEEImportance of Current Electricity for JEE

Day 1: Electric Current, Ohm's Law & Drift of Electrons

  • You can study the concept of electric current and understand Ohm's Law and the drift of electrons.
  • Then,  try to solve practice questions from DC Pandey, HC Verma, and Irodov books.
  • Now, start practicing questions from NCERT Exercise with solutions on EduRev.

Challenge yourself: Can you explain Ohm’s Law in 2 minutes to a friend?

Day 2: Kirchhoff's LawsResistors in Series & Parallel Combinations

  • You can study Kirchhoff's Laws and their applications.
  • After that, understand resistors in series and parallel combinations.
  • Now, try to solve practice questions from DC Pandey, HC Verma, and Irodov books.
  • Then, practice questions from NCERT Exercise with solutions on EduRev.

Play: Can you explain Kirchhoff’s Laws in 60 secs!

Day 3: Potentiometer & Its ApplicationsCells, EMF, & Internal Resistance

  • Start your day with working principle of a potentiometer and its applications.
  • Then understand the concept of cells, EMF, and internal resistance.
  • After that, try to solve practice questions from DC Pandey, HC Verma, and Irodov books.
  • Now, you can practice questions from NCERT Exercise with solutions on EduRev.

Revision + Test

Certainly, here are the links at the end of the study plan divided into proper categories:
Study Resources:

  • JEE Exam: Explore JEE-related resources and exams on EduRev.
Chapter-Specific Resources:

Good luck with your studies!


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FAQs on 3 Days Timetable: Current Electricity (2025) - Physics for JEE Main & Advanced

1. What is Ohm's Law and how is it applied in electric circuits?
Ans. Ohm's Law states that the current (I) flowing through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R) of the conductor. It is mathematically expressed as V = IR. This law is fundamental in analyzing electric circuits, allowing us to calculate the current flowing through a circuit when the voltage and resistance are known.
2. How do Kirchhoff's Laws help in solving complex circuits?
Ans. Kirchhoff's Laws consist of two main principles: Kirchhoff's Current Law (KCL) and Kirchhoff's Voltage Law (KVL). KCL states that the total current entering a junction must equal the total current leaving it, helping us analyze current distribution in a circuit. KVL states that the sum of the electrical potential differences (voltage) around any closed loop in a circuit must equal zero, aiding in voltage analysis. Together, these laws allow us to set up equations to solve for unknown currents and voltages in complex circuits.
3. What are the differences between resistors in series and parallel?
Ans. In a series circuit, resistors are connected end-to-end, which means the same current flows through each resistor. The total resistance in a series circuit is the sum of the individual resistances (R_total = R1 + R2 + ...). In a parallel circuit, resistors are connected across the same voltage source, resulting in different currents through each resistor. The total resistance in a parallel circuit is given by 1/R_total = 1/R1 + 1/R2 + ... This means that the total resistance in a parallel circuit is always less than the smallest individual resistance.
4. How does a potentiometer work and what are its applications?
Ans. A potentiometer is a three-terminal resistor with a sliding or rotating contact (wiper) that divides the voltage across its terminals. By adjusting the wiper, the output voltage can be varied continuously. Potentiometers are commonly used to control the volume in audio equipment, adjust light levels in dimmers, and as variable resistors in circuits to measure voltage or current. They allow for precise control over electrical signals.
5. What is the significance of internal resistance in cells, and how does it affect performance?
Ans. Internal resistance is the resistance within a cell or battery that affects its efficiency and performance. It causes a voltage drop when current flows, which can reduce the actual voltage available to the circuit. High internal resistance can lead to increased heat production and reduced battery life, especially under high load conditions. Understanding and minimizing internal resistance is crucial for optimizing the performance of batteries in various applications, including in electronic devices and electric vehicles.
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