In the product F = q(v×B) = qv×(Bi+Bj+B_0k) . For q = 1 and v = 2i+4j+6k and F = 4i-20j+12k . What will be the complete expression for B ?
NEET 2021 · Hard
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
Given below are two statements: **Statement I:** Biot-Savart's law gives us the expression for the magnetic field strength of an…
NEET 2022 · Medium
A long solenoid of radius 1 mm has 100 turns per mm. If 1 A current flows in the solenoid, the magnetic field strength at the centre of…
NEET 2022 · Medium
