Solved NCERT Questions For Class 12 Physics Chapter 3 In Hindi - Free PDF
FAQs on NCERT Solutions For Class 12 Physics Chapter 3 Current Electricity In Hindi Medium in Hindi - 2025-26
1. How should students approach step-wise solutions for Class 12 Physics Chapter 3 Current Electricity as per CBSE 2025-26 exam pattern?
To solve questions in NCERT Solutions for Class 12 Physics Chapter 3 efficiently, begin by reading the problem carefully, identifying all given values, and stating the principle involved (such as Ohm’s law or Kirchhoff’s rules). Clearly write the relevant formula, substitute each value step-wise, show all calculations, and highlight the final answer with proper units. Presenting your work in numbered steps, ensuring clarity at each stage, matches the CBSE marking scheme and reduces the risk of missing marks.
2. What are the most common mistakes students make while writing NCERT solutions for Current Electricity, and how can they avoid them?
Common errors include missing units, incorrect formula application, skipping calculation steps, or misunderstanding circuit diagrams. To avoid these, always double-check units, explicitly mention the principle used, redraw complex circuits for clarity, and do not skip any algebraic or arithmetic operations in your answer. Write each logical step clearly to align with CBSE evaluation.
3. Why is it important to follow the CBSE-prescribed method when solving NCERT Physics problems for Chapter 3?
The CBSE evaluation system awards marks for each key logical step and justification in your solution. Following the prescribed method (step illustration, formula application, correct reasoning) ensures you receive maximum marks even if the final answer is slightly off. It also prepares you to approach unseen problems with confidence during board exams.
4. How can students differentiate between questions requiring direct formula application and those needing conceptual derivation in Current Electricity?
Questions with clearly provided quantities and direct asks (e.g., find resistance, current, or voltage) can often be solved using standard formulas. However, if a question asks for derivation, proof, or a statement of reasons (such as why alloys are used in resistors), a conceptual explanation and application of physical laws is expected. Reading the command verbs in the question (like 'derive', 'explain', or 'calculate') helps you choose the right approach in your NCERT solutions.
5. In step-wise NCERT solutions, how can one show the use of Kirchhoff’s rules correctly for circuit analysis?
Begin by labeling currents through different branches and assigning direction. Apply Kirchhoff’s Current Law (KCL) at junctions and Kirchhoff’s Voltage Law (KVL) around loops as separate steps. At each stage, clearly mention the equation formed, substitute the values, and sequentially solve the system of equations. Each logical step, including assignments and final current evaluation, should be numbered for clarity and CBSE compliance.
6. What strategies help in solving NCERT problems on combination of resistors—series and parallel—effectively?
First, redraw the circuit to identify which resistors are in series and which are in parallel. Use the respective formulas:
- Series: Add resistances directly.
- Parallel: Take the reciprocal, add, and invert to find the equivalent resistance.
7. How does step-wise solving of NCERT Current Electricity problems improve your ability to tackle HOTS (Higher Order Thinking Skills) questions?
Step-wise solving trains you to break down complex problems into manageable parts, making it easier to identify underlying principles and connections between various concepts. This skill directly supports success in HOTS questions, which typically require multi-step reasoning or application of concepts beyond rote formula use.
8. What is the best approach to attempt derivations in NCERT Solutions for Current Electricity to meet CBSE guidelines?
- Begin with the statement: Clearly state what is to be derived.
- List all assumptions and laws used: For example, mention Ohm’s law or conservation of charge.
- Proceed step-by-step: Justify each mathematical manipulation and cite physical reasoning.
- Highlight final derived expression and, where relevant, box the result for examiner visibility.
9. How do NCERT Solutions for Class 12 Physics Chapter 3 help in building conceptual clarity for board exams?
The solutions are designed to clarify the logic behind every answer, explaining not only what the correct answer is but also why. This format helps students understand the underlying concepts, learn correct application of formulas, and identify common misconceptions—crucial for scoring well and applying knowledge in real-life scenarios or higher-level exams.
10. What should be kept in mind when answering reasoning-based or conceptual questions in NCERT Current Electricity solutions?
Always focus on explaining the scientific principle involved, avoid mere repetition of textbook lines, and support your reasoning with real-life examples or concise logic. For example, questions about the use of specific materials or the behavior of circuits under certain conditions require you to refer to physical laws and provide clear, concise justification in your solutions.

















