JEE Physics

Biot–Savart Law: JEE Questions & Solutions

27 previous-year JEE Physics questions on Biot–Savart Law, each with a worked step-by-step solution.

Intermediate

Previous-year questions

  1. 01An infinitely long straight wire carrying current I is bent in a planar shape as shown in the diagram. The radius of the circular part is…MCQMediumJEE 2026
  2. 02The current passing through a conducting loop in the form of equilateral triangle of side 4√3 cm is 2 A. The magnetic field at its centroid…MCQMediumJEE 2026
  3. 03Two identical circular loops P and Q each of radius r are lying in parallel planes such that they have common axis. The current through P…MCQMediumJEE 2026
  4. 04The magnetic field at the centre of a current carrying circular loop of radius R is 16 μT. The magnetic field at a distance x=√3R on its…MCQEasyJEE 2026
  5. 05Two long parallel wires X and Y, separated by a distance of 6 cm, carry currents of 5 A and 4 A, respectively, in opposite directions as…NVAMediumJEE 2025
  6. 06A current of 5 A exists in a square loop of side 1/√2 m. Then the magnitude of the magnetic field B at the centre of the square loop will…NVAEasyJEE 2025
  7. 07An infinite wire has a circular bend of radius a, and carrying a current I as shown in the figure. The magnitude of the magnetic field at…MCQMediumJEE 2025
  8. 08Let B₁ be the magnitude of magnetic field at the center of a circular coil of radius R carrying current I. Let B₂ be the magnitude of…MCQEasyJEE 2025
  9. 09A loop ABCD, carrying current I = 12 A, is placed in a plane, consists of two semi-circular segments of radius R₁ = 6π m and R₂ = 4π m. The…NVAEasyJEE 2025
  10. 10Figure shows a current carrying square loop ABCD of edge length is a lying in a plane. If the resistance of the ABC part is r and that of…MCQMediumJEE 2025
  11. 11Two long, straight wires carry equal currents of 10 A each in opposite directions. The separation between the wires is 5.0 cm. The…NVAMediumJEE 2024
  12. 12The magnetic field at the centre of a wire loop formed by two semicircular wires of radii R₁ = 2π m and R₂ = 4π m carrying current I = 4 A…NVAEasyJEE 2024
  13. 13Two insulated circular loops A and B of radius a, carrying a current I in anticlockwise direction, are arranged perpendicular to each…MCQEasyJEE 2024
  14. 14The current of 5 A flows in a square loop of sides 1 m placed in air. The magnetic field at the center of the loop is X√2 × 10⁻⁷ T. The…MCQMediumJEE 2024
  15. 15A circular loop of radius r is carrying current I A. The ratio of magnetic field at the center of the circular loop and at a distance r…MCQEasyJEE 2023
  16. 16Match List I (current configuration) with List II (magnetic field at point O). The four configurations A, B, C and D of List I are shown in…MCQMediumJEE 2023
  17. 17Two long parallel wires carrying currents 8 A and 15 A in opposite directions are placed at a distance of 7 cm from each other. A point P…NVAMediumJEE 2023
  18. 18A single current-carrying loop of wire carrying current I flows in the anticlockwise direction (seen from the +z direction) and lies in the…MCQMediumJEE 2023
  19. 19Two long wires carry equal currents I. The first wire runs in from the far left along a horizontal line to the point B and then turns and…MCQEasyJEE 2023
  20. 20The electric current in a circular coil of four turns produces a magnetic induction of 32 T at its center. The coil is unwound and rewound…MCQEasyJEE 2023
  21. 21As shown in the figure, a current of 2 A flowing in an equilateral triangle of side 4√3 cm. The magnetic field at the centroid O of the…MCQMediumJEE 2023
  22. 22A long conducting wire having a current I flowing through it, is bent into a circular coil of N turns. Then it is bent into a circular coil…MCQEasyJEE 2023
  23. 23Find the magnetic field at the point P in the figure. The curved portion is a semicircle connected to two long straight wires.MCQMediumJEE 2023
  24. 24As shown in the figure, a long straight conductor with a semicircular arc of radius π/10 m is carrying current I = 3 A. The magnitude of…MCQEasyJEE 2023
  25. 25Two identical circular wires of radius 20 cm and carrying current √2 A are placed in perpendicular planes as shown in the figure. The net…NVAEasyJEE 2023
  26. 26A straight wire carrying a current of 14 A is bent into a semicircular arc of radius 2.2 cm as shown in the figure. The magnetic field…NVAEasyJEE 2023
  27. 27An electron in a hydrogen atom revolves around its nucleus with a speed of 6.76 × 10⁶ m s⁻¹ in an orbit of radius 0.52 Å. The magnetic…NVAEasyJEE 2023

Frequently asked questions

Our bank has 27 previous-year JEE Physics questions tagged to Biot–Savart Law, drawn from JEE papers between 2023 and 2026, including 4 from 2026 alone. Each comes with a full step-by-step solution.

Biot–Savart Law is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 14 easy, 13 medium.

Of the 27 previous-year questions on Biot–Savart Law, 18 are multiple-choice (MCQ) and 9 are numerical-value (NVA) questions.

Based on recent paper analysis, Biot–Savart Law is worth about 2 marks in JEE Main. It sits in Magnetism & Magnetic Effects of Current, a Class 12 Physics chapter.

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