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Physics - Current Electricity

Practise 406 JEE Main previous year questions on Current Electricity, compiled from papers spanning 2002 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty JEE Main tests.

Current Electricity has been asked in 23 of the 25 years of JEE Main papers analysed (2002–2026), with 406 questions in all. 38% of them were easy, 49% moderate and 13% tough. Most of its questions came from 2023, with 50 questions that year. In the last three years (2024–2026) it had 87 questions across 49 papers, about 1.8 per paper.

The chapter's 9 topics are not weighted equally: Electric Instruments (95 questions, 23%), Combination of Resistances (74 questions, 18%), and Electric Power and Heating Effect of Current (51 questions, 13%) have been asked the most. Electric Instruments has also led over the last five years, with 45 questions. Electric Instruments has produced the most tough questions (14).

  1. 1The stored charge in the capacitor in steady state of the following circuit is ________ C.08 Apr, 2026 (E)Kirchoffs Laws
  2. 2Refer to the circuit diagram given below. The heat generated across the resistance in second is J. The value of is _______. (Nearest integer06 Apr, 2026 (M)Kirchoffs Laws
  3. 3A moving coil of galvanometer when shunted with resistance gives a full scale deflection for a current of mA. When a resistance of is connec06 Apr, 2026 (E)Electric Instruments
  4. 4Two cells of emfs V and V and internal resistance and , respectively connected in parallel, gave a current of A through an external resistan06 Apr, 2026 (E)Electric Cell or Battery
  5. 5Refer to the figure given below. The values of , and are __________.05 Apr, 2026 (M)Kirchoffs Laws
  6. 6Refer to the figure given below, current between terminals and is _____ A.05 Apr, 2026 (M)Combination of Resistances
  7. 7In an experiment to determine the resistance of a given wire using Ohm's law, the voltmeter and ammeter readings are noted as and , respecti05 Apr, 2026 (E)Electric Current and Drift of Electrons
  8. 8Under steady state condition the potential difference across the capacitor in the circuit is _______ V.05 Apr, 2026 (E)Kirchoffs Laws
  9. 9When an external resistance of is connected across terminals of a cell, a current of flows through it. When the resistor is replaced by a re05 Apr, 2026 (E)Electric Cell or Battery
  10. 10A voltmeter with internal resistance of can be used to measure upto V. In order to increase its measuring range to V, the required modificat04 Apr, 2026 (M)Electric Instruments
  11. 11The voltage and the current between and points shown in the circuit are _____.04 Apr, 2026 (M)Kirchoffs Laws
  12. 12Two resistors of and are connected in series with a battery of V. A bulb rated at V, W is connected across the resistance. The potential dro02 Apr, 2026 (E)Combination of Resistances
  13. 13For the two cells having same EMF and internal resistance , the current passing through the external resistor is same when both the cells ar28 Jan, 2026 (M)Electric Cell or Battery
  14. 14In the potentiometer, when the cell in the secondary circuit is shunted with resistance, the balance is obtained at the length 120 cm of wir28 Jan, 2026 (M)Electric Instruments
  15. 15The equivalent resistance between the points and in the following circuit is . The value of is .28 Jan, 2026 (M)Wheatstone Bridge
  16. 16Which one of the following is not a measurable quantity?28 Jan, 2026 (E)Electric Current and Drift of Electrons
  17. 17A Wheatstone bridge is initially at room temperature and all arms of the bridge have same value of resistances . When resistance is heated t28 Jan, 2026 (E)Wheatstone Bridge
  18. 18Two resistors and are connected in the gaps of bridge as shown in figure. The null point is obtained with the contact of jockey at some poin24 Jan, 2026 (M)Wheatstone Bridge
  19. 19Two resistors of each are connected in series with a 9 V battery. A voltmeter of resistance is connected to measure the voltage drop across 24 Jan, 2026 (M)Electric Instruments
  20. 20The reading of the ammeter in steady state in the following circuit (assuming negligible internal resistance of the ammeter) is A.24 Jan, 2026 (E)Kirchoffs Laws
  21. 21A moving coil galvanometer of resistance shows a full scale deflection for a current of 1 mA. The value of resistance required to convert th24 Jan, 2026 (E)Electric Instruments
  22. 22A regular hexagon is formed by six wires each of resistance and the corners are joined to the centre by wires of same resistance. If the cur24 Jan, 2026 (E)Combination of Resistances
  23. 23In a meter bridge experiment to determine the value of unknown resistance, first the resistances and are connected in the left and right gap24 Jan, 2026 (E)Wheatstone Bridge
  24. 24A wire of uniform resistance is bent into a circle of radius and another piece of wire with length is connected between points and as shown 23 Jan, 2026 (M)Combination of Resistances
  25. 25To compare EMF of two cells using potentiometer the balancing lengths obtained are 200 cm and 150 cm. The least count of scale is 1 cm. The 23 Jan, 2026 (E)Electric Instruments
  26. 26A meter bridge with two resistances and as shown in figure was balanced (null point) at 40 cm from the point . The null point changed to 50 22 Jan, 2026 (M)Wheatstone Bridge
  27. 27An electric power line having total resistance of , delivers 1 kW of power at 250 V. The percentage efficiency of transmission line is .22 Jan, 2026 (E)Electric Power and Heating Effect of Current
  28. 28A cylindrical conductor of length 2 m and area of cross-section carries an electric current of 1.6 A when its ends are connected to a 2 V ba22 Jan, 2026 (E)Electric Current and Drift of Electrons
  29. 29The heat generated in 1 minute between points and in the given circuit, when a battery of 9 V with internal resistance of is connected acros21 Jan, 2026 (M)Wheatstone Bridge
  30. 30Two known resistances of and and one unknown resistance are connected in a circuit as shown in the figure. If the equivalent resistance betw21 Jan, 2026 (E)Combination of Resistances
  31. 31The total length of potentiometer wire AB is 50 cm in the arrangement as shown in figure. If is the point where the galvanometer shows zero 21 Jan, 2026 (E)Electric Instruments
  32. 32A battery with EMF and internal resistance is connected across a resistance . The power consumption in will be maximum when :21 Jan, 2026 (E)Electric Instruments
  33. 33A wire of resistance is bent into a triangular pyramid as shown in figure with each segment having same length. The resistance between point07 Apr, 2025 (M)Wheatstone Bridge
  34. 34Current passing through a wire as function of time is given as . The charge that will flow through the wire from to is :04 Apr, 2025 (M)Electric Current and Drift of Electrons
  35. 35From the combination of resistors with resistance values and , which of the following combination is the best circuit to get an equivalent r04 Apr, 2025 (E)Combination of Resistances
  36. 36There are ' ' number of identical electric bulbs, each is designed to draw a power independently from the mains supply. They are now joined 04 Apr, 2025 (E)Electric Power and Heating Effect of Current
  37. 37A wire of length 25 m and cross-sectional area having resistivity of is bent into a complete circle. The resistance between diametrically op03 Apr, 2025 (M)Resistance and Resistivity
  38. 38In the figure shown below, a resistance of is connected in series to an ammeter A of resistance . A shunt resistance of is connected in para03 Apr, 2025 (M)Electric Instruments
  39. 39A motor operating on 100 V draws a current of 1 A. If the efficiency of the motor is , then the loss of power in units of is03 Apr, 2025 (E)Electric Power and Heating Effect of Current
  40. 40Two cells of emf 1 V and 2 V and internal resistance and , respectively, are connected in series with an external resistance of . The total 03 Apr, 2025 (E)Electric Cell or Battery
  41. 41The battery of a mobile phone is rated as 4.2 V , 5800 mAh. How much energy is stored in it when fully charged ?02 Apr, 2025 (M)Electric Power and Heating Effect of Current
  42. 42The difference of temperature in a material can convert heat energy into electrical energy. To harvest the heat energy, the material should 29 Jan, 2025 (E)Resistance and Resistivity
  43. 43A wire of resistance R is bent into an equilateral triangle and an identical wire is bent into square. The ratio of resistance between the t28 Jan, 2025 (M)Combination of Resistances
  44. 44Find the equivalent resistance between two ends of the following circuit28 Jan, 2025 (M)Combination of Resistances
  45. 45The value of current I in the electrical circuit as given below, when potential at A is equal to the potential at B, will be ____ A.28 Jan, 2025 (E)Kirchoffs Laws
  46. 46A wire of resistance is bent to form an equilateral triangle. Then the equivalent resistance across any two vertices will be _____ ohm.24 Jan, 2025 (M)Resistance and Resistivity
  47. 47A galvanometer having a coil of resistance need 20 mA of current for full-scale deflection. If a maximum current of 3 A is to be measured us23 Jan, 2025 (E)Electric Instruments
  48. 48What is the current through the battery in the circuit shown below23 Jan, 2025 (E)Electric Cell or Battery
  49. 49Given below are two statements : Statement-I : The equivalent emf of two nonideal batteries connected in parallel is smaller than either of 22 Jan, 2025 (M)Electric Cell or Battery
  50. 50Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance as shown in the figure. An external resistan22 Jan, 2025 (M)Electric Instruments

Frequently Asked Questions

1.How many questions are available for Current Electricity?

This chapter includes 406 questions compiled from JEE Main papers spanning 2002 to 2026.

2.Are these questions only from JEE Main, or from other exams too?

These are JEE Main questions specifically for the Current Electricity chapter. Questions from other exams like NTA Abhyas (JEE Main) or JEE Advanced are organised separately under their respective exam sections.

3.Is Current Electricity an important chapter for JEE Main Physics?

Current Electricity has appeared in 23 of the 25 years of JEE Main papers covered here, with 406 questions across 187 papers - about 2 per paper it appears in.

4.What is the difficulty level of Current Electricity questions in JEE Main?

Of the 406 questions analysed for this chapter, 38% are easy, 49% moderate and 13% tough. 2023 had the most, with 50 questions.

5.Which topics in Current Electricity should I focus on?

These topics have carried the most weightage in Current Electricity:

  • Electric Instruments - 95 questions (23%)
  • Combination of Resistances - 74 questions (18%)
  • Electric Power and Heating Effect of Current - 51 questions (13%)
  • Electric Instruments has produced the most tough questions (14).
6.Is Current Electricity's weightage in JEE Main going up or down?

Across all 187 papers analysed, Current Electricity has averaged about 2.2 questions per paper. In the last three years (2024–2026), that average has fallen, at about 1.8 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.