Class 12 · Physics

Current Electricity

40 topics — from Current Carriers through Electric Fuse & Thermal Equilibrium. Expect about 3 questions in NEET — roughly 12 of 720 marks.

Updated 25 Aug 2026 40 topics Physics · Class 12
In short

Current Electricity is a Class 12 Physics chapter covering 40 topics. Expect about 3 questions in NEET — roughly 12 of 720 marks.

40
Topics
In this chapter
3
Expected questions
≈ 12 of 720 marks
12
Class
Physics
97
Chapters in the syllabus
27 in Physics

Topics covered #

40 topics, in teaching order.

  1. Current Carriers
  2. Electric Current
  3. Electromotive Force
  4. Grouping of Similar Cells
  5. Conductors in Absence of Electric Field
  6. Conductors in Presence of Electric Field
  7. Ohm's Law
  8. Resistivity & Conductivity
  9. Ohm's Law in Vector Form
  10. Ohmic & Non-Ohmic Devices
  11. Static & Dynamic Resistance
  12. Colour Coding
  13. Grouping of Resistors
  14. Grouping of Resistors (Method of Common Potential)
  15. Grouping of Resistors
  16. Grouping of Resistors (Connection Removal Method)
  17. Grouping of Resistors (Infinite Ladder)
  18. Net Resistance Integration
  19. Net Resistance (..to Y and Y to.. Conversion)
  20. Variation of Resistance of Conductor & Semi Conductor with Temperature
  21. Kirchoff's 1st Law
  22. Kirchoff's 2nd Law
  23. Derivation of Wheatstone Bridge & Questions
  24. Calculation of Net Resistance using Kirchoff's Laws
  25. Temperature Measurement using Wheatstonr Bridge
  26. Metre Bridge
  27. Groupingof Dissimilar Cells
  28. Superposition Theorem
  29. Potentiometer (Basic Concept)
  30. Principle of Potentiometer
  31. Application of Potentiometer(Measuring Unknown Potential Difference)-Current Electricity
  32. Application of Potentiometer( Comparison of EMF of Two Cells)
  33. Application of Potentiometer(Measuring Internal Resistance of a Cell)
  34. Questions on Potentiometer
  35. Two Possible Errors in Galvanometer
  36. Sensitivity of Potentiometer
  37. Basics of Healing Effects & Electric Bulb
  38. Series & Parallel Grouping of Appliances
  39. Calculation for Heat Dissipation
  40. Electric Fuse & Thermal Equilibrium

Weightage #

Expect about 3 questions in NEET — roughly 12 of 720 marks.

3 of 180 questions · 12 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Physics

← PreviousElectrostatic Potential and Capacitance

Frequently asked #

How many questions come from Current Electricity in NEET?
About 3 questions — roughly 12 of the 720 marks available. It is a Class 12 Physics chapter.
What topics does this chapter cover?
40 topics — from Current Carriers through Electric Fuse & Thermal Equilibrium. The full list is above.
Where can I practise Current Electricity?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.