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Physics - Magnetic Effects of Current

Practise 275 MHTCET previous year questions on Magnetic Effects of Current, compiled from papers spanning 2007 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 MHTCET tests.

Magnetic Effects of Current has been asked in 16 of the 17 years of MHTCET papers analysed (2007–2026), with 275 questions in all. 37% of them were easy, 51% moderate and 13% tough. Most of its questions came from 2026, with 43 questions that year. In the last three years (2024–2026) it had 118 questions across 59 papers, about 2 per paper.

The chapter's 6 topics are not weighted equally: Magnetic Field (120 questions, 44%), Motion of Charged Particle in Magnetic Field (48 questions, 17%), and Magnetic Moment (47 questions, 17%) have been asked the most. Magnetic Field has also led over the last five years, with 87 questions. Magnetic Field has produced the most tough questions (21).

  1. 1A long solenoid carrying a current produces a magnetic field ' ' along its axis. If the currunt is tripled and the number of turns per cm is20 Apr, 2026 (M)Magnetic Field
  2. 2A square loop ABCD of side L carrying a current is placed at a distance from a conductor coplaner with a straight conductor XY carrying curr20 Apr, 2026 (M)Magnetic Field
  3. 3A solenoid of 1000 turns is wound uniformly on a glass tube 4 m long and m in diameter. The magnetic intensity at the centre of the solenoid20 Apr, 2026 (E)Magnetic Field
  4. 4A circular arc of wire of radius of curvature subtends an angle of radian at its centre. If current is flowing in it then the magnetic induc20 Apr, 2026 (E)Magnetic Field
  5. 5A thin circular wire carrying current has magnetic moment . The shape of the wire is changed to a square and it carries the same current. It20 Apr, 2026 (E)Magnetic Moment
  6. 6An electron is moving with initial velocity in a magnetic field . Its de-Broglie wavelength will20 Apr, 2026 (E)Motion of Charged Particle in Magnetic Field
  7. 7Two thin long parallel wires, and separated by distance ' ', carry currents and respectively in the same direction. The magnitude of the for19 Apr, 2026 (M)Force and Torque on Current Carrying Conductor
  8. 8Two circular coils X (smaller) and Y (bigger), each having a single turn, carry equal currents in the same direction and subtend the same an19 Apr, 2026 (M)Biot-Savart’s Law and Ampere’s Circuital Law
  9. 9The magnetic induction produced inside an ideal solenoid, depends on which of the following quantities ? (a) number of turns per unit length19 Apr, 2026 (E)Magnetic Field
  10. 10A current carrying circular coil of radius 'R' produces magnetic field at an axial point P at a distance 'x' from its centre and at point Q 19 Apr, 2026 (E)Biot-Savart’s Law and Ampere’s Circuital Law
  11. 11The ratio of magnetic field at the centre of the current carrying circular loop and its magnetic moment is ' '. When both the current and ra18 Apr, 2026 (M)Magnetic Field
  12. 12In the following figure, the magnitude of the magnetic field at point 'O' will be18 Apr, 2026 (M)Magnetic Field
  13. 13Two wires with current 3A and 1.5A are enclosed in a circular loop P. Third parallel wire with current 1A is situated outside the loop as sh18 Apr, 2026 (E)Biot-Savart’s Law and Ampere’s Circuital Law
  14. 14A straight long wire is carrying current I. The ratio of magnetic field due to this wire at perpendicular distance 2 cm and 5 cm respectivel18 Apr, 2026 (E)Magnetic Field
  15. 15A particle of charge ' ' and mass ' ' moves in a circular orbit of radius ' ' with angular speed ' '. The ratio of the magnitude of its magn18 Apr, 2026 (E)Magnetic Moment
  16. 16The magnetic field at perpendicular distance ' ' from a long wire carrying current ' ' is ' '. The magnetic field at perpendicular distance 17 Apr, 2026 (M)Magnetic Field
  17. 17The magnetic field at the center of circular coil carrying current ' ' for a single turn of a given length of wire is ' '. The same wire is 17 Apr, 2026 (M)Magnetic Field
  18. 18In the cyclotron, as radius of the circular path of the charged particle increases, ( = angular velocity, V = linear velocity)17 Apr, 2026 (E)Motion of Charged Particle in Magnetic Field
  19. 19The magnetic field at a distance 'r' from a long straight wire carrying current I is 0.4 tesla. The magnetic field at a distance 2r will be17 Apr, 2026 (E)Biot-Savart’s Law and Ampere’s Circuital Law
  20. 20Two wires of same length are bent to form the circular loop with two turns and a square loop of one turn. Both of them carry same current. T17 Apr, 2026 (E)Magnetic Moment
  21. 21Torque acting on a coil carrying current 'I' situated parallel to magnetic field of induction 'B' having of turns 'n' and area 'A' is16 Apr, 2026 (M)Force and Torque on Current Carrying Conductor
  22. 22A charged particle is moving in a uniform magnetic field in a circular path of radius 'R'. When the energy of the particle becomes 3 times t16 Apr, 2026 (M)Motion of Charged Particle in Magnetic Field
  23. 23A wire carrying current 'I' along x axis has length 'L' and it is kept in a magnetic field T. The magnitude of magnetic force acting on the 16 Apr, 2026 (M)Force and Torque on Current Carrying Conductor
  24. 24The magnetic moment produced in a sample of 2 gram is . If its density is then the magnetization of the sample is16 Apr, 2026 (M)Magnetic Moment
  25. 25A circular loop of radius R is carrying current I. The ratio of magnetic field at the center of circular loop and at a distance R from the c16 Apr, 2026 (E)Biot-Savart’s Law and Ampere’s Circuital Law
  26. 26The magnitude of magnetic induction at mid point 'O' due to current arrangement as shown in figure will be ( = permeability of free space)16 Apr, 2026 (E)Biot-Savart’s Law and Ampere’s Circuital Law
  27. 27The magnetic field intensity (H) at the centre of a long solenoid having 'n' turns per unit length and carrying a current I, when no materia16 Apr, 2026 (E)Magnetic Field
  28. 28Lorentz magnetic force is acting on a particle of charge moving with velocity in magnetic field . The work done by this force on the charged15 Apr, 2026 (M)Motion of Charged Particle in Magnetic Field
  29. 29A circular coil of 'N' turns and diameter 'd' carries current 'I'. It is unwound and rewound to make another coil of diameter '2d', current 15 Apr, 2026 (M)Magnetic Moment
  30. 30A thin ring of radius 'R' metre has charge 'q' coulomb uniformly spread on it. The ring rotates about its axis with a constant frequency of 15 Apr, 2026 (E)Magnetic Field
  31. 31A long wire is bent into a circular coil of one turn and then into a circular coil of smaller radius having n turns. If the same current is 15 Apr, 2026 (E)Magnetic Field
  32. 32A charge moves in a circular path perpendicular to a magnetic field. The time period of revolution is independent of15 Apr, 2026 (E)Motion of Charged Particle in Magnetic Field
  33. 33If the number of turns in the coil of a moving coil galvanometer decreases, the resistance of the galvanometer,13 Apr, 2026 (M)Force and Torque on Current Carrying Conductor
  34. 34The magnetic flux near the axis and inside the air core solenoid of length 60 cm carrying current I is Wb. Its magnetic moment will be (cros13 Apr, 2026 (M)Magnetic Field
  35. 35The magnetic moments associated with two closely wound circular coils a and b of radius and respectively are equal if (where , and , are num13 Apr, 2026 (E)Magnetic Moment
  36. 36A rod with a circular cross-section area cm and length cm is wound uniformly with turns of an insulated wire. If a current A flows in the wi13 Apr, 2026 (E)Magnetic Field
  37. 37Two long straight wires are arranged parallel to each other and are kept cm apart in vacuum. They carry currents of A and A respectively in 13 Apr, 2026 (E)Force and Torque on Current Carrying Conductor
  38. 38A charged particle is accelerated by a potential difference of enters a region of uniform magnetic field of induction at right angles to the13 Apr, 2026 (E)Motion of Charged Particle in Magnetic Field
  39. 39Two long parallel wires carrying currents A and A in opposite directions are placed at a distance of cm from each other. A point P is at equ11 Apr, 2026 (M)Magnetic Field
  40. 40A wire of length is bent in the form of a circular coil and current ' ' is passed through it. This coil is kept in magnetic field. The torqu11 Apr, 2026 (M)Force and Torque on Current Carrying Conductor
  41. 41Two parallel wires of equal lengths are separated by a distance of m from each other. The currents flowing through first and second wire is 11 Apr, 2026 (E)Magnetic Field
  42. 42A wire AB is carrying steady current and is kept on the table. Another wire CD carrying current is held directly above as shown in figure. W11 Apr, 2026 (E)Force and Torque on Current Carrying Conductor
  43. 43A circular coil of N turns and diameter D carries current I. It is unwound and rewound to make another coil of diameter 2D, current I remain11 Apr, 2026 (E)Magnetic Moment
  44. 44A wire of length ' ' carries a current ' '. If the wire is turned into a square coil of single turn, the maximum magnitude of the torque in 05 May, 2025 (E)Force and Torque on Current Carrying Conductor
  45. 45A circular coil carrying current has radius ' '. The distance from the centre of the coil on the axis where the magnetic induction will be t05 May, 2025 (E)Magnetic Field
  46. 46Two long straight parallel conductors carry currents ' and ' . When direction of ' ' and ' ' is same, the magnetic field intensity midway be27 Apr, 2025 (E)Magnetic Field
  47. 47A current carrying circular coil of radius ' R ' produces magnetic fields ' ' and ' ' at an axial point ' P ' at a distance ' x ' from its c27 Apr, 2025 (E)Magnetic Field
  48. 48The work done in turning a magnet of magnetic moment ' M ' by an angle of from the meridian is ' n ' times the corresponding work done to tu26 Apr, 2025 (M)Magnetic Dipole
  49. 49An infinitely long straight conductor carrying current ' ' is bent into a shape as shown in figure. The radius of the circular loop is ' '. 26 Apr, 2025 (M)Magnetic Field
  50. 50Lorenz magnetic force is acting on a particle of charge moving with velocity in a magnetic field . The work done by this force on the charge26 Apr, 2025 (E)Motion of Charged Particle in Magnetic Field

Frequently Asked Questions

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

This chapter includes 275 questions compiled from MHTCET papers spanning 2007 to 2026.

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

These are MHTCET 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 MHTCET Physics?

Magnetic Effects of Current has appeared in 16 of the 17 years of MHTCET papers covered here, with 275 questions across 106 papers - about 3 per paper it appears in.

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

Of the 275 questions analysed for this chapter, 37% are easy, 51% moderate and 13% tough. 2026 had the most, with 43 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:

  • Magnetic Field - 120 questions (44%)
  • Motion of Charged Particle in Magnetic Field - 48 questions (17%)
  • Magnetic Moment - 47 questions (17%)
  • Magnetic Field has produced the most tough questions (21).
6.Is Magnetic Effects of Current's weightage in MHTCET going up or down?

Across all 106 papers analysed, Magnetic Effects of Current has averaged about 2.6 questions per paper. In the last three years (2024–2026), that average has fallen, at about 2.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.