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Physics - Magnetic Effects of Current

Practise 47 JEE Advanced previous year questions on Magnetic Effects of Current, compiled from papers spanning 2006 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 Advanced tests.

Magnetic Effects of Current has been asked in 19 of the 27 years of JEE Advanced papers analysed (2000–2026), with 47 questions in all. 15% of them were easy, 40% moderate and 45% tough. Most of its questions came from 2017, with 5 questions that year. In the last three years (2024–2026) it had 6 questions across 6 papers, about 1 per paper.

The chapter's 6 topics are not weighted equally: Motion of Charged Particle in Magnetic Field (16 questions, 34%), Magnetic Field (12 questions, 26%), and Force and Torque on Current Carrying Conductor (12 questions, 26%) have been asked the most. Over the last five years the most frequent topics have been Magnetic Field (2), Force and Torque on Current Carrying Conductor (2), and Motion of Charged Particle in Magnetic Field (2). Motion of Charged Particle in Magnetic Field has produced the most tough questions (6).

  1. 1A hollow, right circular cone of base radius and height , with its tip at the origin is rotating about the -axis with an angular velocity , 2026 (Paper 1)Magnetic Moment
  2. 2In a vacuum chamber, a particle of charge and mass mg is projected with a velocity ms from the plane at time in an electric field of Vm . At2026 (Paper 2)Motion of Charged Particle in Magnetic Field
  3. 3A conducting solid sphere of radius and mass carries a charge . The sphere is rotating about an axis passing through its center with a unifo2025 (Paper 2)Magnetic Moment
  4. 4An infinitely long wire, located on the -axis, carries a current along the -direction and produces the magnetic field . The magnitude of the2024 (Paper 1)Magnetic Field
  5. 5A thin stiff insulated metal wire is bent into a circular loop with its two ends extending tangentially from the same point of the loop. The2024 (Paper 2)Force and Torque on Current Carrying Conductor
  6. 6A positive, singly ionized atom of mass number is accelerated from rest by the voltage . Thereafter, it enters a rectangular region of width2024 (Paper 2)Motion of Charged Particle in Magnetic Field
  7. 7A small circular loop of area A and resistance R is fixed on a horizontal x y -plane with the center of the loop always on the axis n ^ of a2022 (Paper 1)Force and Torque on Current Carrying Conductor
  8. 8Which one of the following options represents the magnetic field B at O due to the current flowing in the given wire segments lying on the x2022 (Paper 2)Magnetic Field
  9. 9An -particle (mass 4 amu) and a singly charged Sulphur ion (mass 32 amu) are initially at rest. They are accelerated through a potential V a2021 (Paper 1)Motion of Charged Particle in Magnetic Field
  10. 10Two concentric circular loops, one of radius R and the other of radius 2 R , lie in the x y -plane with the origin as their common center, a2021 (Paper 2)Biot-Savart's Law and Ampere's Circuital Law
  11. 11Paragraph A special metal conducts electricity without any resistance. A closed wire loop, made of , does not allow any change in flux throu2021 (Paper 2)Magnetic Dipole
  12. 12A circular coil of radius R and N turns has negligible resistance. As shown in the schematic figure, its two ends are connected to two wires2020 (Paper 1)Force and Torque on Current Carrying Conductor
  13. 13Two identical moving coil galvanometer have 10 resistance and full scale deflection at 2 A current. One of them is converted into a voltmete2019 (Paper 1)Force and Torque on Current Carrying Conductor
  14. 14Two infinitely long straight wires lie in the xy - plane along the lines x = R . The wire located at x = + R carries a constant current I 1 2018 (Paper 1)Magnetic Field
  15. 15In the xy - plane , the region y > 0 has a uniform magnetic field B 1 k ^ and the region y 0 has another uniform magnetic field B 2 k ^ . A 2018 (Paper 1)Motion of Charged Particle in Magnetic Field
  16. 16A moving coil galvanometer has 50 turns and each turn has an area 2 10 - 4 m 2 . The magnetic field produced by the magnet inside the galvan2018 (Paper 2)Force and Torque on Current Carrying Conductor
  17. 17A charged particle is introduced at the origin x = 0 , y = 0 , z = 0 with a given initial velocity v . A uniform electric field E and a unif2017 (Paper 1)Motion of Charged Particle in Magnetic Field
  18. 18A charged particle is introduced at the origin x = 0 , y = 0 , z = 0 with a given initial velocity v . A uniform electric field E and a unif2017 (Paper 1)Motion of Charged Particle in Magnetic Field
  19. 19A charged particle is introduced at the origin x = 0 , y = 0 , z = 0 with a given initial velocity v . A uniform electric field E and a unif2017 (Paper 1)Motion of Charged Particle in Magnetic Field
  20. 20A symmetric star shaped conducting wire loop is carrying a steady state current I as shown in the figure. The distance between the diametric2017 (Paper 2)Magnetic Field
  21. 21A uniform magnetic field B exists in the region between x = 0 and x = 3 R 2 (region 2 in the figure) pointing normally into the plane of the2017 (Paper 2)Motion of Charged Particle in Magnetic Field
  22. 22A Conductor (shown in the figure) carrying constant current I is kept in the x - y plane in a uniform magnetic field B → . If F is the magni2015 (Paper 1)Force and Torque on Current Carrying Conductor
  23. 23Paragraph: In a thin rectangular metallic strip a constant current flows along the positive -direction, as shown in the figure. The length, 2015 (Paper 2)Motion of Charged Particle in Magnetic Field
  24. 24Paragraph: In a thin rectangular metallic strip a constant current flows along the positive -direction, as shown in the figure. The length, 2015 (Paper 2)Motion of Charged Particle in Magnetic Field
  25. 25Two parallel wires in the plane of the paper are distance X 0 apart. A point charge is moving with speed u between the wires in the same pla2014 (Paper 1)Motion of Charged Particle in Magnetic Field
  26. 26A galvanometer gives full scale deflection with 0 006 A current. By connecting it to a 4990 resistance, it can be converted into a voltmeter2014 (Paper 1)Force and Torque on Current Carrying Conductor
  27. 27Paragraph: The figure shows a circular loop of radius with two long parallel wires (numbered and ) all in the plane of the paper. The distan2014 (Paper 2)Magnetic Field
  28. 28Paragraph: The figure shows a circular loop of radius with two long parallel wires (numbered and ) all in the plane of the paper. The distan2014 (Paper 2)Force and Torque on Current Carrying Conductor
  29. 29A particle of mass M and positive charge Q, moving with a constant velocity u 1 = 4 i ^ ms - 1 , enters a region of uniform static magnetic 2013 (Paper 1)Motion of Charged Particle in Magnetic Field
  30. 30A steady current I flows along an infinitely long hollow cylindrical conductor of radius R . This cylinder is placed co-axially inside an in2013 (Paper 2)Magnetic Field
  31. 31Consider the motion of a positive point charge in a region where there are simultaneous uniform electric and magnetic fields and . At time ,2012 (Paper 1)Motion of Charged Particle in Magnetic Field
  32. 32A cylindrical cavity of diameter a exists inside a cylinder of diameter as shown in the figure. Both the cylinder and the cavity are infinit2012 (Paper 1)Magnetic Field
  33. 33A loop carrying current lies in the plane as shown in the figure. The unit vector is coming out of the plane of the paper. The magnetic mome2012 (Paper 2)Magnetic Moment
  34. 34An infinitely long hollow conducting cylinder with inner radius and outer radius carries a uniform current density along its length. The mag2012 (Paper 2)Magnetic Field
  35. 35An electron and a proton are moving on straight parallel paths with same velocity. They enter a semi-infinite region of uniform magnetic fie2011 (Paper 1)Motion of Charged Particle in Magnetic Field
  36. 36A long circular tube of length and radius carries a current I along its curved surface as shown. A wire loop of resistance and of radius is 2011 (Paper 1)Magnetic Moment
  37. 37A long insulated copper wire is closely wound as a spiral of turns. The spiral has inner radius and outer radius . The spiral lies in the XY2011 (Paper 2)Biot-Savart's Law and Ampere's Circuital Law
  38. 38A thin flexible wire of length is connected to two adjacent fixed points and carries a current in the clockwise direction, as shown in the f2010 (Paper 1)Force and Torque on Current Carrying Conductor
  39. 39Two metallic rings and , identical in shape and size but having different resistivities and , are kept on top of two identical solenoids as 2009 (Paper 2)Magnetic Field
  40. 40A steady current goes through a wire loop having shape of a right angle triangle with and . If the magnitude of the magnetic field at due to2009 (Paper 2)Magnetic Field
  41. 41A particle of mass and charge , moving with velocity enters Region II normal to the boundary as shown in the figure. Region II has a uniform2008 (Paper 1)Motion of Charged Particle in Magnetic Field
  42. 42Statement 1 The sensitivity of a moving coil galvanometer is increased by placing a suitable magnetic material as a core inside the coil. an2008 (Paper 2)Force and Torque on Current Carrying Conductor
  43. 43A magnetic field exists in the region $a2007 (Paper 2)Motion of Charged Particle in Magnetic Field
  44. 44Statement I A vertical iron rod has a coil of wire wound over it at the bottom end. An alternating current flows in the coil. The rod goes t2007 (Paper 2)Force and Torque on Current Carrying Conductor
  45. 45Two wires each carrying a steady current are shown in four configurations in Column I. Some of the resulting effects are described in Column2007 (Paper 2)Magnetic Field
  46. 46A field line is shown in the figure. This field cannot represent2006Magnetic Field
  47. 47to the paper carrying current inwards the given figure?2006Force and Torque on Current Carrying Conductor

Frequently Asked Questions

1.How many questions are available for Magnetic Effects of Current?

This chapter includes 47 questions compiled from JEE Advanced papers spanning 2006 to 2026.

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

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

3.Is Magnetic Effects of Current an important chapter for JEE Advanced Physics?

Magnetic Effects of Current has appeared in 19 of the 21 years of JEE Advanced papers covered here, with 47 questions across 31 papers - about 2 per paper it appears in.

4.What is the difficulty level of Magnetic Effects of Current questions in JEE Advanced?

Of the 47 questions analysed for this chapter, 15% are easy, 40% moderate and 45% tough. 2017 had the most, with 5 questions.

5.Which topics in Magnetic Effects of Current should I focus on?

These topics have carried the most weightage in Magnetic Effects of Current:

  • Motion of Charged Particle in Magnetic Field - 16 questions (34%)
  • Magnetic Field - 12 questions (26%)
  • Force and Torque on Current Carrying Conductor - 12 questions (26%)
  • Motion of Charged Particle in Magnetic Field has produced the most tough questions (6).
6.Is Magnetic Effects of Current's weightage in JEE Advanced going up or down?

Across all 31 papers analysed, Magnetic Effects of Current has averaged about 1.5 questions per paper. In the last three years (2024–2026), that average has fallen, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.