JEE Main Physics · Class 12
Current Electricity: JEE Main previous year questions
Current Electricity had 65 questions in the 42 JEE Main shifts Lumi analysed, about 1.6 a shift, asked in 37 of 42 shifts. It ranks 3 of 29 Physics chapters by questions; 3% of its questions were hard.
- Questions
- 65
- in 37 of 42 shifts
- A shift, on average
- 1.6
- of 25 Physics questions
- Since 2024
- -0.5
- 1.7 a shift in 2017–23, 1.3 in 2024–26
- Numerical answer
- 32
- 49% of its questions
Year by year
How often it came
Questions in the analysed shifts of each year. Years differ in how many shifts Lumi analysed, so read the bars with the shift count.
2017: 1 shifts · 2020: 4 shifts · 2021: 4 shifts · 2022: 4 shifts · 2023: 4 shifts · 2024: 8 shifts · 2025: 8 shifts · 2026: 9 shifts
- 20173
- 20206
- 20216
- 20229
- 20237
- 202418
- 20257
- 20269
- Easy
- Medium
- Hard
Inside the chapter
Topics and the ideas that repeat
5 topics and 38 distinct ideas; 13 ideas were asked more than once. Most questions are numerical value and multi-step.
3 questions had no close topic in our taxonomy and are counted for the chapter only.
- Kirchhoff's Voltage Law (KVL)6× · 2017–26
- Joule Heating and Power5× · 2021–25
- Cell EMF and Internal Resistance3× · 2024–26
- Parallel Combination of Cells3× · 2022–26
- Power Dissipation Ratios in Series vs Parallel3× · 2022–25
- Resistivity and Geometry3× · 2020–23
- Initial and Steady State Behavior2× · 2017–26
- Meter Bridge Principles2× · 2020–24
- Millman's Theorem for Node Voltage2× · 2022–26
- Ohm's Law and V-I Graphs2× · 2022–24
Study it on Lumi
Current Electricity: the interactive lesson- Simulation: Stretch a wire and watch its resistance
- Simulation: How fast do electrons really move in a wire?
- Simulation: Resistivity as temperature changes
- Simulation: Two bulbs on the mains
- Simulation: Why the terminal voltage is less than the emf
- Simulation: Two cells: in series, in parallel, and one reversed
Every question
All 65 Current Electricity questions
Newest first. Each opens with its options and the official answer.
2026 9 questions
- 2 Apr 2026, Shift 2 · Q38Two resistors of 200 and 400 are connected in series with a battery of 100 V. A bulb rated at 200 V, 100 W is connected…MediumSingle correct
- 4 Apr 2026, Shift 1 · Q43The voltage and the current between and points shown in the circuit are ______.MediumDiagram basedHas a figure
- 5 Apr 2026, Shift 1 · Q34Refer to the figure given below. The values of , and are ________.MediumDiagram basedHas a figure
- 5 Apr 2026, Shift 1 · Q38Refer to the figure given below, current between terminals and is ________ A.MediumDiagram basedHas a figure
- 5 Apr 2026, Shift 2 · Q37Under steady state condition the potential difference across the capacitor in the circuit is __________ V.MediumSingle correctHas a figure
- 5 Apr 2026, Shift 2 · Q49When an external resistance of 5 is connected across terminals of a cell, a current of 0.25 A flows through it. When the 5…EasyNumerical value
- 6 Apr 2026, Shift 1 · Q46Refer to the circuit diagram given below. The heat generated across the resistance in 100 second is J.…HardNumerical valueHas a figure
- 6 Apr 2026, Shift 2 · Q49Two cells of emfs 1 V and 2 V and internal resistance 2 and 1 , respectively connected in parallel, gave a current of 1 A…MediumNumerical value
- 8 Apr 2026, Shift 2 · Q49The stored charge in the capacitor in steady state of the following circuit is ________ C.MediumNumerical valueHas a figure
2025 7 questions
- 2 Apr 2025, Shift 1 · Q35The battery of a mobile phone is rated as 4.2 V, 5800 mAh. How much energy is stored in it when fully charged ?EasySingle correct
- 3 Apr 2025, Shift 1 · Q49In the figure shown below, a resistance of is connected in series to an ammeter A of resistance . A shunt…EasyNumerical valueHas a figure
- 3 Apr 2025, Shift 2 · Q39A motor operating on 100 V draws a current of 1 A. If the efficiency of the motor is 91.6%, then the loss of power in units of cal/s isEasySingle correct
- 3 Apr 2025, Shift 2 · Q48Two cells of emfs 1 V and 2 V and internal resistances and , respectively, are connected in series with an external…MediumNumerical value
- 4 Apr 2025, Shift 2 · Q36There are 'n' number of identical electric bulbs, each is designed to draw a power p independently from the mains supply. They are now…EasySingle correct
- 4 Apr 2025, Shift 2 · Q37From the combination of resistors with resistances values and , which of the following combination…EasyDiagram basedHas a figure
- 7 Apr 2025, Shift 1 · Q36A wire of resistance R is bent into a triangular pyramid as shown in figure with each segment having same length. The resistance between…MediumDiagram basedHas a figure
2024 18 questions
- 6 Apr 2024, Shift 2 · Q43The number of electrons flowing per second in the filament of a 110 W bulb operating at 220 V is : (Given )EasySingle correct
- 6 Apr 2024, Shift 2 · Q53In the given figure an ammeter consists of a coil connected in parallel to a shunt. The reading of the…MediumNumerical valueHas a figure
- 8 Apr 2024, Shift 1 · Q40In the given circuit, the terminal potential difference of the cell is :EasySingle correctHas a figure
- 8 Apr 2024, Shift 1 · Q56Resistance of a wire at C, C and C is found to be , and …MediumNumerical value
- 9 Apr 2024, Shift 1 · Q41The equivalent resistance between A and B is :MediumSingle correctHas a figure
- 9 Apr 2024, Shift 1 · Q56The current flowing through the resistor is A. The value of n is ________.MediumNumerical valueHas a figure
- 9 Apr 2024, Shift 2 · Q43The effective resistance between and , if resistance of each resistor is , will be :MediumSingle correctHas a figure
- 9 Apr 2024, Shift 2 · Q55At room temperature (C), the resistance of a heating element is . The temperature coefficient of the material is…EasyNumerical value
- 9 Apr 2024, Shift 2 · Q60To determine the resistance () of a wire, a circuit is designed below. The - characteristic curve for this circuit is plotted for…MediumNumerical valueHas a figure
- 29 Jan 2024, Shift 1 · Q41The electric current through a wire varies with time as , where A and A/s. The amount of electric charge…EasySingle correct
- 29 Jan 2024, Shift 1 · Q56A wire is bend to form a square loop. A 9V battery with internal resistance is connected across one of its sides.…MediumNumerical value
- 30 Jan 2024, Shift 2 · Q41When a potential difference is applied across a wire of resistance , it dissipates energy at a rate . If the wire is cut into…EasySingle correct
- 30 Jan 2024, Shift 2 · Q56Two resistance of and are connected in series with a battery of and negligible internal resistance . A…MediumNumerical value
- 31 Jan 2024, Shift 1 · Q41Two conductors have the same resistances at C but their temperature coefficients of resistance are and . The…MediumSingle correct
- 31 Jan 2024, Shift 1 · Q56Equivalent resistance of the following network is ________ .MediumNumerical valueHas a figure
- 31 Jan 2024, Shift 2 · Q41By what percentage will the illumination of the lamp decrease if the current drops by 20%?EasySingle correct
- 31 Jan 2024, Shift 2 · Q49The resistance per centimeter of a meter bridge wire is , with resistance in left gap. Balancing length from left end is at…MediumSingle correct
- 31 Jan 2024, Shift 2 · Q56In the following circuit, the battery has an emf of 2V and an internal resistance of . The power consumption in the…MediumNumerical valueHas a figure
2023 7 questions
- 6 Apr 2023, Shift 1 · Q55The length of a metallic wire is increased by 20% and its area of cross section is reduced by 4%. The percentage change in resistance of…EasyNumerical value
- 8 Apr 2023, Shift 2 · Q50The equivalent resistance between A and B as shown in figure is:EasySingle correctHas a figure
- 8 Apr 2023, Shift 2 · Q60The number density of free electrons in copper is nearly m. A copper wire has its area of cross section =…EasyNumerical value
- 11 Apr 2023, Shift 1 · Q40Two identical heater filaments are connected first in parallel and then in series. At the same applied voltage, the ratio of heat produced…EasySingle correct
- 11 Apr 2023, Shift 1 · Q54In the circuit diagram shown in figure given below, the current flowing through resistance is A. The value of…MediumNumerical valueHas a figure
- 13 Apr 2023, Shift 2 · Q42In the network shown below, the charge accumulated in the capacitor in steady state will be:MediumSingle correctHas a figure
- 13 Apr 2023, Shift 2 · Q56In the circuit shown, the energy stored in the capacitor is J. The value of n is ______.MediumNumerical valueHas a figure
2022 9 questions
- 25 Jul 2022, Shift 1 · Q57In the given figure, the value of will be ______ V.EasyNumerical valueHas a figure
- 25 Jul 2022, Shift 1 · Q58Eight copper wire of length and diameter are joined in parallel to form a single composite conductor of resistance . If a…EasyNumerical value
- 28 Jul 2022, Shift 1 · Q41A wire of resistance is drawn out so that its length is increased by twice of its original length. The ratio of new resistance to…EasySingle correct
- 28 Jul 2022, Shift 1 · Q55As shown in the figure, a potentiometer wire of resistance 20 and length 300 cm is connected with resistance box (R.B.) and a…HardNumerical valueHas a figure
- 24 Jun 2022, Shift 1 · Q33Two identical cells each of emf 1.5 V are connected in parallel across a parallel combination of two resistors each of resistance…MediumSingle correct
- 24 Jun 2022, Shift 1 · Q59In a potentiometer arrangement, a cell gives a balancing point at 75 cm length of wire. This cell is now replaced by another cell of…EasyNumerical value
- 29 Jun 2022, Shift 1 · Q51Two coils require 20 minutes and 60 minutes respectively to produce same amount of heat energy when connected separately to the same…EasyNumerical value
- 29 Jun 2022, Shift 1 · Q55The variation of applied potential and current flowing through a given wire is shown in figure. The length of wire is 31.4 cm. The…MediumNumerical valueHas a figure
- 29 Jun 2022, Shift 1 · Q60For the network shown below, the value of is ____________ V.EasyNumerical valueHas a figure
2021 6 questions
- 3 Aug 2021, Shift 2 · Q28As the switch S is closed in the circuit shown in figure, current passed through it is A.EasyNumerical valueHas a figure
- 25 Jul 2021, Shift 1 · Q11In the given figure, there is a circuit of potentiometer of length AB = 10 m. The resistance per unit length is per cm.…MediumSingle correctHas a figure
- 25 Jul 2021, Shift 1 · Q27An electric bulb rated as 200 W at 100 V is used in a circuit having 200 V supply. The resistance 'R' that must be put in series with the…EasyNumerical value
- 16 Mar 2021, Shift 2 · Q18A resistor develops 500 J of thermal energy in 20 s when a current of 1.5A is passed through it. If the current is increased from 1.5 A to…EasySingle correct
- 16 Mar 2021, Shift 2 · Q28The energy dissipated by a resistor is 10 mJ in 1 s when an electric current of 2 mA flows through it. The resistance is ________.…EasyNumerical value
- 18 Mar 2021, Shift 1 · Q23The voltage across the 10 resistor in the given circuit is volt. The value of 'x' to the nearest integer is __________.EasyNumerical valueHas a figure
2020 6 questions
- 8 Jan 2020, Shift 1 · Q20The length of a potentiometer wire is 1200 cm and it carries a current of 60 mA. For a cell of emf 5 V and internal resistance of 20…MediumSingle correct
- 8 Jan 2020, Shift 1 · Q24Four resistances of 15 , 12 , 4 and 10 respectively in cyclic order to form Wheatstone's network. The…EasyNumerical value
- 9 Jan 2020, Shift 2 · Q23In a meter bridge experiment S is a standard resistance. R is a resistance wire. It is found that balancing length is cm. If R is…EasyNumerical valueHas a figure
- 2 Sep 2020, Shift 1 · Q12Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity , , and …MediumSingle correct
- 6 Sep 2020, Shift 2 · Q13In the figure shown, the current in the 10 V battery is close to :MediumDiagram basedHas a figure
- 6 Sep 2020, Shift 2 · Q20A circuit to verify Ohm's law uses ammeter and voltmeter in series or parallel connected correctly to the resistor. In the circuit :EasySingle correct
2017 3 questions
- 2 Apr 2017 (offline) · Q16In the given circuit diagram when the current reaches steady state in the circuit, the charge on the capacitor of capacitance C will be :EasySingle correctHas a figure
- 2 Apr 2017 (offline) · Q17In the above circuit the current in each resistance is :MediumSingle correctHas a figure
- 2 Apr 2017 (offline) · Q29Which of the following statements is **false** ?MediumSingle correct
Pattern: Asked most years.