Jump to a section

Physics - Magnetic Effects of Current

Practise 123 NTA Abhyas (JEE Main) questions on Magnetic Effects of Current. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Magnetic Effects of Current has been asked in 0 of the 25 years of NTA Abhyas (JEE Main) papers analysed (2002–2026), with 123 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2026, with 0 questions that year. In the last three years (2024–2026) it had 0 questions across 49 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1An electric charge + q +q moves with velocity v → = 3 i ^ + 4 j ^ + k ^ , in an electromagnetic field given by : E → = 3 i ^ + j ^ + 2 k ^ a
  2. 2A circular coil carrying current I has radius R and magnetic field at the centre is B . The distance from the centre along the axis of the s
  3. 3A wire is bent in the form of a circular arc of radius r with a straight portion A B . If the current in the wire is i , then the magnetic i
  4. 4A cylindrical cavity of diameter a exists inside a cylinder of diameter 2 a as shown in the figure. Both the cylinder and the cavity are inf
  5. 5A long rigid wire lies along the X - axis and carries a current of 10 A in the positive X - direction. Round the wire, the external magnetic
  6. 6Two long parallel wires carry currents i 1 a n d i 2 such that i 1 i 2 . When the currents are in the same direction, the magnetic field at
  7. 7A symmetric star shaped conducting wire loop is carrying a steady state current I as shown in the figure. The distance between the diametric
  8. 8In the given figure magnetic field at the center of ring O is 8 2 T . Now it is turned through 90 about xx ' axis, so that two semicircular
  9. 9The figure shows a current-carrying loop, some part of which is circular and some part is a line segment. The magnetic induction at the cent
  10. 10A long thin non-conducting cylindrical pipe of radius R carrying a uniform surface charge density σ is rotating about its axis with a consta
  11. 11The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is: [Tak
  12. 12Two point masses, m each carrying charges - q and + q are attached to the ends of a massless rigid non-conducting wire of length L . When th
  13. 13The figure shows two regions of uniform magnetic fields of strengths B and 2 B . A charged particle of mass m and charge q enters the region
  14. 14Three semi-infinite wires, each carrying a current of 1 A are placed on each of the coordinate axes with their ends at the origin, as shown
  15. 15A very long cylindrical wire is carrying a current I o distributed uniformly over its cross-section area. O is the centre of the cross-secti
  16. 16A neutron, a proton, an electron and an α particle enter a region of uniform magnetic field with same velocities. The magnetic field is perp
  17. 17A finite carrying-current wire is placed in a plane along with a very long, straight conductor carrying current as shown in the figure. The
  18. 18Sensitivity of moving coil galvanometer is s . If a shunt of 1 8 t h of the resistance of galvanometer is connected to moving coil galvanome
  19. 19The figure shows a long coaxial cable in which a current I flows down through the inner cylinder of radius a and the same current flows back
  20. 20A current-carrying wire is placed in the grooves of an insulating semicircular disc of radius R , as shown. The current enters at point A an
  21. 21Current is flowing in conducting wire shaped as shown in the figure. The radius of the curved part is R and the length of straight portion i
  22. 22A particle of mass 2 × 10 - 5 kg moves horizontally between the plates of a parallel plate capacitor which produce an electric field of 200
  23. 23Four very long wires are arranged as shown in the figure, so that their cross-section forms a square, with connections at the ends so that c
  24. 24A small particle of mass m and charge Q is dropped in uniform horizontal magnetic field B . The maximum vertical displacement of particle is
  25. 25A current-carrying uniform square frame is suspended from hinged supports as shown in the diagram such that it can freely rotate about its u
  26. 26A tightly wound solenoid of radius ‘ a ’ and length ‘ l ’ has n turns per unit length. It carries an electric current i . Magnetic field at
  27. 27The magnetic field at the point of intersection of diagonals of a square loop of side L carrying a current I is
  28. 28Find the magnetic induction at point O, if the current carrying wire is in the shape shown in the figure.
  29. 29A current-carrying wire of certain length is bent to form an arc that subtends an angle θ at the centre. Let B be the magnetic field at the
  30. 30A current of 2 A is flowing in the sides of an equilateral triangle of side 9 cm . The magnetic field at the centroid of the triangle is
  31. 31A thin flexible wire of length L is connected to a battery (negligible in size as compared to the wire) to form a closed loop. The battery d
  32. 32Two point charges + Q and - Q having masses M and 2 M respectively, are projected from the same point with the same velocity v in the region
  33. 33A rod of mass m and length 2 l is connected to two massless strings as shown in figure. A wooden disk of same mass m is fixed at the mid-poi
  34. 34A small particle of mass 1 kg and charge 1 C enters perpendicularly in a triangular region of a uniform magnetic field of strength 2 T as sh
  35. 35A metallic wire is folded to form a square loop of side a . It carries a current i and is kept perpendicular to a uniform magnetic field. If
  36. 36If B is the magnetic field at the centre of a circular loop of area A and its magnetic dipole moment is found to be n B A m 0 , then what is
  37. 37An infinitely long hollow conducting cylinder with inner radius R 2 and outer radius R carries a uniform current density along its length. T
  38. 38A non-conducting rod of length L with linear charge density λ = λ 0 x where x is the distance from end A is rotating with constant angular s
  39. 39Two concentric coils of 10 turns each are placed in the same plane. Their radii are 20 cm and 40 cm and carry 0 . 2 A and 0 . 3 A current re
  40. 40A square coil of edge I having n turns carries a current i . It is kept on a smooth horizontal plate. A uniform magnetic field B exists in a
  41. 41A proton accelerated by a potential difference V, moves through a transverse magnetic field B as shown in the figure. Then the angle θ throu
  42. 42A proton, an electron and a Helium nucleus have the same kinetic energy. They are in circular orbits in a plane due to a magnetic field whic
  43. 43In 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 po
  44. 44A conductor is carrying a current i . The magnetic field intensity at the point O which is the common centre for three arcs is
  45. 45A conductor wire carrying current i is placed symmetrically and parallel to a long conducting sheet having a current per unit width j 0 and
  46. 46A battery is connected between two points A and B on the circumference of a uniform conducting ring of radius r and resistance R . One of th
  47. 47Consider a region of space in which constant, uniform, and mutually perpendicular fields E → and B → exists. Now a particle of charge q ente
  48. 48Two infinite sheets carrying current in same direction (of equal current per unit length K ) are separated by a distance d . A proton is rel
  49. 49A disc of radius R rotates with a constant angular velocity ω about its own axis. The surface charge density of this disc varies as σ = ar 2
  50. 50A particle having mass m and change q is released from the origin in a region in which electric field and magnetic fields are given by B → =

Frequently Asked Questions

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

This chapter includes 123 NTA Abhyas (JEE Main) questions.

2.Are these questions only from NTA Abhyas (JEE Main), or from other exams too?

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

3.What is the difficulty level of Magnetic Effects of Current questions in NTA Abhyas (JEE Main)?

Of the 123 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2026 had the most, with 0 questions.

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

All of this chapter's questions come from a single topic: Uncategorized.