Moving Charges & Magnetism JEE Main PYQs PDF, 2020–2026

Moving Charges & Magnetism 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 191 of the 197 asked.

Topic-wise weightage by year

How many Moving Charges & Magnetism 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 21 JEE Main 2026 Moving Charges & Magnetism questions in the free PDF, latest shift first.

1. JEE Main 2026 · 8 Apr · Shift 2 · Torque on Current Loop and Magnetic Dipole

   A current carrying circular loop of radius 2 cm with unit normal ${\hat{n}}=\frac{{\hat{k}}+{\hat{i}}}{\sqrt{2}}$ is placed in a magnetic field, ${\vec{B}}=B_{o}(3{\hat{i}}+2{\hat{k}})$. If $B_{o}=4\times {10}^{{-3}}{\ \mathrm{T}}$ and current $I=100\sqrt{2}{\ \mathrm{A}}$, the torque experienced by the loop is $\_\_\_\_$ Wb.A. ( $\pi=3.14$ )

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2. JEE Main 2026 · 8 Apr · Shift 2 · Motion in Magnetic Field

   A 5 mg particle carrying a charge of $5\pi\times {10}^{{-6}}{\mathrm{C}}$ is moving with velocity of $(3{\hat{i}}+2{\hat{k}})\times {10}^{{-2}}{\ \mathrm{m}}/{\mathrm{s}}$ in a region having magnetic field ${\vec{B}}=0.1{\hat{k}}{\ \mathrm{Wb}}/{\mathrm{m}}^{2}$. It moves a distance of $\alpha$ meter along ${\hat{k}}$ when it completes 5 revolutions. The value of $\alpha$ is $\_\_\_\_$。

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3. JEE Main 2026 · 6 Apr · Shift 2 · Galvanometer and Conversion

   A moving coil of galvanometer when shunted with $2\Omega$ resistance gives a full scale deflection for a current of 500 mA . When a resistance of $470\Omega$ is connected in series it gives a full scale deflection for 10 V potential applied on it. The value of resistance of galvanometer coil is $\_\_\_\_$ $\Omega$.

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4. JEE Main 2026 · 6 Apr · Shift 1 · Biot-Savart Law

   A small cube of side 1 mm is placed at the centre of a circular loop of radius 10 cm carrying a current of 2 A . The magnetic energy stored inside the cube is $\alpha\times {10}^{{-14}}{\ \mathrm{J}}$. The value of $\alpha$ is $\_\_\_\_$ .

   $\left(\mu_{{{\mathrm{o}}}}=4\pi\times {10}^{{-7}}{\mathrm{Tm}}/{\mathrm{A}},\pi=3.14\right)$

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5. JEE Main 2026 · 6 Apr · Shift 2 · Biot-Savart Law

   A current of 30 A each flows in opposite directions in two conducting wires, placed parallel to each other at a distance of 8 cm . The magnetic field at the mid point between the two wires is $\_\_\_\_$ $\mu{\mathrm{T}}$.

   $\left(\frac{\mu_{{{\mathrm{o}}}}}{4\pi}={10}^{{-7}}{\ \mathrm{N}}/{\mathrm{A}}^{2}\right)$

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6. JEE Main 2026 · 5 Apr · Shift 1 · Motion in Magnetic Field

   The charged particle moving in a uniform magnetic field of $(3{\hat{i}}+2{\hat{j}}){\mathrm{T}}$ has an acceleration $\left(4{\hat{i}}-\frac{x}{2}{\hat{j}}\right){\mathrm{m}}/{\mathrm{s}}^{2}$. The value of $x$ is

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7. JEE Main 2026 · 5 Apr · Shift 2 · Motion in Magnetic Field

   A particle of charge $q$ and mass $m$ is projected from origin with an initial velocity ${\vec{v}}=\left(\frac{v_{0}}{\sqrt{2}}{\hat{x}}+\frac{v_{0}}{\sqrt{2}}{\hat{y}}\right)$. There exists a uniform magnetic field ${\vec{B}}=B_{0}{\hat{z}}$ and a space varying electric field ${\vec{E}}=E_{{{\mathrm{o}}}}{\mathrm{e}}^{{-\lambda x}}{\hat{x}}$ within the region $0\leqslant x\leqslant L$. After travelling a distance such that $x$-coordinate has changed from $x=0$ to $x=L$, the change in the kinetic energy is $\_\_\_\_$ .

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8. JEE Main 2026 · 4 Apr · Shift 1 · Torque on Current Loop and Magnetic Dipole

   An insulated wire is wound so that it forms a flat coil with $N=200$ turns. The radius of the innermost turn is $r_{1}=3{\ \mathrm{cm}}$, and of the outermost turn $r_{2}=6{\ \mathrm{cm}}$. If 20 mA current flows in it then the magnetic moment will be $\alpha\times {10}^{{-2}}{\ \mathrm{A}}.{\mathrm{m}}^{2}$. The value of $\alpha$ is $\_\_\_\_$ .

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9. JEE Main 2026 · 4 Apr · Shift 2 · Torque on Current Loop and Magnetic Dipole

   A circular coil of radius 2 cm and 125 turns carries a current of 1 A . The coil is placed in a uniform magnetic field of magnitude 0.4 T . The axis of the coil makes an angle of ${30}^{{\circ}}$ with the direction of the magnetic field. The torque acting on the coil is $\alpha\times {10}^{{-4}}{\ \mathrm{N}}.{\mathrm{m}}$. The value of $\alpha$ is $\_\_\_\_$ .

   $(\pi=3.14)$

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10. JEE Main 2026 · 4 Apr · Shift 1 · Galvanometer and Conversion

    A voltmeter with internal resistance of $x\Omega$ can be used to measure upto 20 V . In order to increase its measuring range to 30 V , the required modification is to $\_\_\_\_$ .

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11. JEE Main 2026 · 2 Apr · Shift 2 · Motion in Magnetic Field

    A particle having charge ${10}^{{-9}}$ C moving in $x$-$y$ plane in fields of $0.4{\hat{j}}$ N/C and $4\times {10}^{{-3}}{\hat{k}}$ T experiences a force of $(4{\hat{i}}+2{\hat{j}})\times {10}^{{-10}}$ N. The velocity of the particle at that instant is _________ m/s.

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12. JEE Main 2026 · 2 Apr · Shift 1 · Biot-Savart Law

    Two identical long current carrying wires are bent into the shapes shown in the following figures. If the magnitude of magnetic fields at the centres P and Q of a semicircular arc are $B_{1}$ and $B_{2}$ respectively, then the ratio $\frac{B_{1}}{B_{2}}$ is ______.

    

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Practise the 2026 Moving Charges & Magnetism questions online

Sample questions from recent papers

JEE Main 2026 · 28 Jan · Shift 2 · Ampere's Circuital Law

A long cylindrical conductor with large cross section carries an electric current distributed uniformly over its cross-section. Magnetic field due to this current is:

A. maximum at either ends of the conductor and minimum at the midpoint

B. maximum at the axis of the conductor

C. minimum at the surface of the conductor

D. minimum at the axis of the conductor

E. same at all points in the cross-section of the conductor

Choose the correct answer from the options given below:

1. (A)

   B, C Only

2. (B)

   E Only

3. (C)

   A, D Only

4. (D)

   D Only

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Answer: (D)

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JEE Main 2026 · 28 Jan · Shift 1 · Force Between Conductors

Three long straight wires carrying current are arranged mutually parallel as shown in the figure. The force experienced by 15 cm length of wire $Q$ is $\_\_\_\_$ .

$\left(\mu_{{{\mathrm{o}}}}=4\pi\times {10}^{{-7}}{\ \mathrm{T}}.{\mathrm{m}}/{\mathrm{A}}\right)$

1. (A)

   $6\times {10}^{{-6}}{\ \mathrm{N}}$ towards $P$

2. (B)

   $6\times {10}^{{-6}}{\ \mathrm{N}}$ towards $R$

3. (C)

   $6\times {10}^{{-7}}{\ \mathrm{N}}$ towards $P$

4. (D)

   $6\times {10}^{{-7}}{\ \mathrm{N}}$ towards $R$

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Answer: (B)

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JEE Main 2026 · 24 Jan · Shift 2 · Galvanometer and Conversion

A moving coil galvanometer of resistance $100\Omega$ shows a full scale deflection for a current of 1 mA . The value of resistance required to convert this galvanometer into an ammeter, showing full scale deflection for a current of 5 mA , is $\_\_\_\_$ $\Omega$

1. (A)

   25

2. (B)

   2.5

3. (C)

   0.5

4. (D)

   10

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Answer: (A)

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JEE Main 2025 · 3 Apr · Shift 1 · Magnetic Force on Moving Charge

A 4.0 cm long straight wire carrying a current of 8 A is placed perpendicular to a uniform magnetic field of strength 0.15 T . The magnetic force on the wire is ________mN .

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Answer: 48

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JEE Main 2025 · 29 Jan · Shift 2 · Solenoid and Toroid

The magnetic field inside a 200 turns solenoid of radius 10 cm is $2.9 \times 10^{-4} ~\mathrm{Tesla}$. If the solenoid carries a current of 0.29 A , then the length of the solenoid is _______ $\pi \mathrm{cm}$.

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Answer: 8

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JEE Main 2022 · 27 Jul · Shift 2 · Cyclotron

A cyclotron is used to accelerate protons. If the operating magnetic field is $1.0 \mathrm{~T}$ and the radius of the cyclotron 'dees' is $60 \mathrm{~cm}$, the kinetic energy of the accelerated protons in MeV will be :

$$[\mathrm{use} \,\,\mathrm{m}_{\mathrm{p}}=1.6 \times 10^{-27} \mathrm{~kg}, \mathrm{e}=1.6 \times 10^{-19} \,\mathrm{C}$$ ]

1. (A)12
2. (B)18
3. (C)16
4. (D)32

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Answer: (B)

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The free PDF above has all 191 questions grouped by topic, with an answer key.

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