From Ampere's circuital law for a long straight wire of circular cross-section carrying a steady current, the variation of magnetic field…
NEET 2022 · Medium
A current I_0 flows through a metallic circular loop of radius r as shown in the figure. Resistance of the segment ABC is half that of ADC…
RE-NEET 2026 · Medium
Two infinitely long parallel conducting wires A and B carry currents I and 2I , respectively, in the same direction. The wire A has…
RE-NEET 2026 · Medium
A very long conducting wire is bent in a semi-circular shape from A to B as shown in figure. The magnetic field at point P for steady…
NEET 2023 · Hard
A wire carrying a current I along the positive x -axis has length L . It is kept in a magnetic field B = (2 i + 3 j - 4 k)\ T . The…
NEET 2023 · Easy
A long solenoid of 50 cm length having 100 turns carries a current of 2.5 A. The magnetic field at the centre of the solenoid is : (…
NEET 2020 · Easy
