Current Electricity JEE Main PYQs PDF, 2020–2026

Current Electricity questions per year

in the free PDF asked, not in the PDFThe PDF only has questions we can print in full with a checked answer, so it holds 238 of the 245 asked.

Topic-wise weightage by year

How many Current Electricity questions each topic had in every JEE Main year (all shifts), counting every question asked, including ones not in the PDF. Darker cells mean more questions.

Swipe the table sideways for older years.

Newest questions (2026)

The 12 newest of the 24 JEE Main 2026 Current Electricity questions in the free PDF, latest shift first.

1. JEE Main 2026 · 6 Apr · Shift 1 · Electrical Power and Heating

   Refer to the circuit diagram given below. The heat generated across the $6\Omega$ resistance in 100 second is $\frac{\alpha}{100}{\ \mathrm{J}}$. The value of $\alpha$ is $\_\_\_\_$ . (Nearest integer)

   
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2. JEE Main 2026 · 6 Apr · Shift 2 · Electrical Power and Heating

   Two cells of emfs 1 V and 2 V and internal resistance $2\Omega$ and $1\Omega$, respectively connected in parallel, gave a current of 1 A through an external resistance. If the polarity of one cell is reversed, then value of current through the external resistance will be $\frac{\alpha}{5}{\ \mathrm{A}}$. The value of $\alpha$ is $\_\_\_\_$.

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3. JEE Main 2026 · 5 Apr · Shift 2 · Electrical Power and Heating

   When an external resistance of $5\Omega$ is connected across terminals of a cell, a current of 0.25 A flows through it. When the $5\Omega$ resistor is replaced by a $2\Omega$ resistor, a current of 0.5 A flows through it. The internal resistance of the cell is $\_\_\_\_$ $\Omega$.

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4. JEE Main 2026 · 5 Apr · Shift 1 · Kirchhoff's Laws

   Refer to the figure given below. The values of $I_{1},I_{2}$ and $I_{3}$ are $\_\_\_\_$ .

   
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5. JEE Main 2026 · 5 Apr · Shift 1 · Kirchhoff's Laws

   Refer to the figure given below, current between terminals $A$ and $B$ is

   $\_\_\_\_$ A.

   
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6. JEE Main 2026 · 4 Apr · Shift 1 · Kirchhoff's Laws

   The voltage and the current between $A$ and $B$ points shown in the circuit are $\_\_\_\_$ .

   
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7. JEE Main 2026 · 2 Apr · Shift 2 · Ohm's Law and Resistance

   Two resistors of 200 $\Omega$ and 400 $\Omega$ are connected in series with a battery of 100 V. A bulb rated at 200 V, 100 W is connected across the 400 $\Omega$ resistance. The potential drop across the bulb is ________ V.

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8. JEE Main 2026 · 28 Jan · Shift 1 · Potentiometer

   In the potentiometer, when the cell in the secondary circuit is shunted with $4\Omega$ resistance, the balance is obtained at the length 120 cm of wire. Now when the same cell is shunted with $12\Omega$ resistance, the balance is shifted to a length of 180 cm . The internal resistance of cell is $\_\_\_\_$ $\Omega$

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9. JEE Main 2026 · 28 Jan · Shift 1 · Electrical Power and Heating

   For the two cells having same EMF $E$ and internal resistance $r$, the current passing through the external resistor $6\Omega$ is same when both the cells are connected either in parallel or in series. The value of internal resistance $r$ is $\_\_\_\_$ $\Omega$.

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10. JEE Main 2026 · 28 Jan · Shift 1 · Ohm's Law and Resistance

    The equivalent resistance between the points $A$ and $B$ in the following circuit is $\frac{x}{5}\Omega$. The value of $x$ is $\_\_\_\_$ .

    
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11. JEE Main 2026 · 28 Jan · Shift 2 · Wheatstone and Metre Bridge

    A Wheatstone bridge is initially at room temperature and all arms of the bridge have same value of resistances ($R_{1}=R_{2}=R_{3}=R_{4}$). When $R_{3}$ resistance is heated to some temperature, its resistance value has gone up by 10%. The potential difference ($V_{a}-V_{b}$) (after $R_{3}$ is heated) is _________ V.

    
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12. JEE Main 2026 · 24 Jan · Shift 1 · Ohm's Law and Resistance

    Two resistors of $100\Omega$ each are connected in series with a 9 V battery. A voltmeter of $400\Omega$ resistance is connected to measure the voltage drop across one of the resistors. The voltmeter reading is $\_\_\_\_$ V.

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Practise the 2026 Current Electricity questions online

Sample questions from recent papers

JEE Main 2026 · 24 Jan · Shift 2 · Wheatstone and Metre Bridge

In a meter bridge experiment to determine the value of unknown resistance, first the resistances $2\Omega$ and $3\Omega$ are connected in the left and right gaps of the bridge and the null point is obtained at a distance $l{\ \mathrm{cm}}$ from the left. Now when an unknown resistance $x\Omega$ is connected in parallel to $3\Omega$ resistance, the null point is shifted by 10 cm to the right of wire. The value of unknown resistance $x$ is

$\_\_\_\_$ $\Omega$.

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Answer: 6

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JEE Main 2026 · 22 Jan · Shift 2 · Drift Velocity and Mobility

A cylindrical conductor of length 2 m and area of cross-section $0.2{\ \mathrm{mm}}^{2}$ carries an electric current of 1.6 A when its ends are connected to a 2 V battery. Mobility of electrons in the conductor is $\alpha\times {10}^{{-3}}{\ \mathrm{m}}^{2}/{\mathrm{V}}.{\mathrm{s}}$. The value of $\alpha$ is :

(electron concentration $=5\times {10}^{{28}}/{\mathrm{m}}^{3}$ and electron charge $=1.6\times {10}^{{-19}}{\mathrm{C}}$ )

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Answer: 1

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JEE Main 2026 · 21 Jan · Shift 2 · Potentiometer

The total length of potentiometer wire AB is 50 cm in the arrangement as shown in the figure. If P is the point where the galvanometer shows zero reading then the length AP is ________ cm.

1. (A)

   25

2. (B)

   30

3. (C)

   15

4. (D)

   20

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Answer: (B)

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JEE Main 2025 · 3 Apr · Shift 2 · EMF and Internal Resistance

Two cells of emfs 1 V and 2 V and internal resistances $2 \Omega$ and $1 \Omega$, respectively, are connected in series with an external resistance of $6 \Omega$. The total current in the circuit is $I_1$. Now the same two cells in parallel configuration are connected to same external resistance. In this case, the total current drawn is $\mathrm{I}_2$. The value of $\left(\frac{\mathrm{I}_1}{\mathrm{I}_2}\right)$ is $\frac{x}{3}$. The value of $x$ is___________.

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Answer: 4

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The free PDF above has all 238 questions grouped by topic, with an answer key.

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