Easy· Torque on a current loop, moving coil galvanometer· +4 / −1
A moving coil galvanometer has resistance and full deflection current is 5 mA. The resistance needed to convert this galvanometer into voltmeter of range 100 volt is
A charged particle moves along a circular path in a uniform magnetic field in a cyclotron. The kinetic energy of the charged particle…
JEE Mains 2022 June 29 Shift 1 · Easy
Two long current carrying conductors are placed parallel to each other at a distance of 8\ cm between them. The magnitude of the magnetic…
JEE Mains 2022 June 29 Shift 2 · Medium
Given below are two statements : Statement I : The electric force changes the speed of the charged particle and hence changes its kinetic…
JEE Mains 2022 June 29 Shift 2 · Easy
A uniform current is flowing along the length of an infinite, straight, thin, hollow cylinder of radius R . The magnetic field B produced…
JEE Mains 2022, June 28 - Shift 1 · Medium