Moving Charges and Magnetism

JEE Advanced · Physics · 37 past questions

1. Q1 2026 Paper 1

   A hollow, right circular cone of base radius $R$ and height $h$, with its tip at the origin is rotating about… (with a figure)

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2. Q2 2026 Paper 2

   In a vacuum chamber, a particle of charge 1 $\mu$C and mass 1 mg is projected with a velocity…

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3. Q3 2025 Paper 2

   A conducting solid sphere of radius $R$ and mass $M$ carries a charge $Q$. The sphere is rotating about an…

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4. Q4 2024 Paper 1

   An infinitely long wire, located on the $z$-axis, carries a current $I$ along the $+z$-direction and produces…

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5. Q5 2024 Paper 2

   A thin stiff insulated metal wire is bent into a circular loop with its two ends extending tangentially from… (with a figure)

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6. Q6 2024 Paper 2

   A positive, singly ionized atom of mass number $A_M$ is accelerated from rest by the voltage 192 V.… (with a figure)

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7. Q7 2022 Paper 2

   Which one of the following options represents the magnetic field $\vec{B}$ at O due to the current flowing in… (with a figure)

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8. Q8 2021 Paper 1

   An $\alpha$-particle (mass 4 amu) and a singly charged sulfur ion (mass 32 amu) are initially at rest. They…

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9. Q9 2021 Paper 2

   Two concentric circular loops, one of radius $R$ and the other of radius $2R$, lie in the $xy$-plane with the… (with a figure)

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10. Q10 2021 Paper 2

    A special metal $S$ conducts electricity without any resistance. A closed wire loop, made of $S$, does not… (with a figure)

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11. Q11 2021 Paper 2

    A special metal $S$ conducts electricity without any resistance. A closed wire loop, made of $S$, does not… (with a figure)

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12. Q12 2018 Paper 1

    Two infinitely long straight wires lie in the $xy$-plane along the lines $x = \pm R$. The wire located at…

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13. Q13 2018 Paper 1

    In the $xy$-plane, the region $y > 0$ has a uniform magnetic field $B_1\hat{k}$ and the region $y < 0$ has… (with a figure)

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14. Q14 2017 Paper 1

    Answer Q.13, Q.14 and Q.15 by appropriately matching the information given in the three columns of the…

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15. Q15 2017 Paper 1

    Answer Q.13, Q.14 and Q.15 by appropriately matching the information given in the three columns of the…

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16. Q16 2017 Paper 1

    Answer Q.13, Q.14 and Q.15 by appropriately matching the information given in the three columns of the…

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17. Q17 2016 Paper 1

    An infinite line charge of uniform electric charge density $\lambda$ lies along the axis of an electrically… (with a figure)

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18. Q18 2015 Paper 1

    A conductor (shown in the figure) carrying constant current $I$ is kept in the $x$-$y$ plane in a uniform… (with a figure)

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19. Q19 2014 Paper 1

    Two parallel wires in the plane of the paper are distance $X_0$ apart. A point charge is moving with speed…

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20. Q20 2014 Paper 2

    The figure shows a circular loop of radius $a$ with two long parallel wires (numbered 1 and 2) all in the… (with a figure)

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21. Q21 2014 Paper 2

    The figure shows a circular loop of radius $a$ with two long parallel wires (numbered 1 and 2) all in the… (with a figure)

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22. Q22 2013 Paper 1

    A particle of mass $M$ and positive charge $Q$, moving with a constant velocity…

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23. Q23 2013 Paper 2

    A steady current $I$ flows along an infinitely long hollow cylindrical conductor of radius $R$. This cylinder…

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24. Q24 2012 Paper 1

    Consider the motion of a positive point charge in a region where there are simultaneous uniform electric and…

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25. Q25 2012 Paper 1

    A cylindrical cavity of diameter $a$ exists inside a cylinder of diameter $2a$ as shown in the figure. Both… (with a figure)

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26. Q26 2012 Paper 2

    A loop carrying current $I$ lies in the $x$-$y$ plane as shown in the figure. The unit vector $\hat{k}$ is… (with a figure)

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27. Q27 2012 Paper 2

    An infinitely long hollow conducting cylinder with inner radius $R/2$ and outer radius $R$ carries a uniform… (with a figure)

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28. Q28 2011 Paper 1

    An electron and a proton are moving on straight parallel paths with same velocity. They enter a semi-infinite…

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29. Q29 2011 Paper 2

    A long insulated copper wire is closely wound as a spiral of 'N' turns. The spiral has inner radius 'a' and… (with a figure)

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30. Q30 2011 Paper 2

    Which of the field patterns given below is valid for electric field as well as for magnetic field? (with a figure)

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31. Q31 2010 Paper 1

    A thin flexible wire of length L is connected to two adjacent fixed points and carries a current I in the… (with a figure)

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32. Q32 2010 Paper 1

    Paragraph for Questions 73 to 74… (with a figure)

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33. Q33 2010 Paper 1

    Paragraph for Questions 73 to 74… (with a figure)

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34. Q34 2009 Paper 2

    A steady current $I$ goes through a wire loop PQR having shape of a right angle triangle with PQ = $3x$, PR =…

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35. Q35 2008 Paper 1

    A particle of mass $m$ and charge $q$, moving with velocity $V$ enters Region II normal to the boundary as… (with a figure)

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36. Q36 2007 Paper 2

    A magnetic field $\vec B = B_0 \hat j$ exists in the region $a < x < 2a$ and $\vec B = -B_0 \hat j$, in the… (with a figure)

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37. Q37 2007 Paper 2

    Two wires each carrying a steady current $I$ are shown in four configurations in Column I. Some of the… (with a figure)

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