8 JEE Main 2012 Magnetic Effects of Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 previous-year questions from the Magnetic Effects of Current chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Magnetic Effects of Current chapter hub.
The circuit in figure consists of wires at the top and bottom and identical springs as the left and right sides. The wi…
The magnetic force acting on charged particle of charge 2 µ C in magnetic field of 2 T acting in y- direction, when the…
A proton and a deuteron are both accelerated through the same potential difference and enter in a magnetic field perpen…
Currents of a 10 ampere and 2 ampere are passed through two parallel thin wires A and B respectively in opposite direct…
A charge Q is uniformly distributed over the surface of non conducting disc of radius R. The disc rotates about an axis…
Proton, Deuteron and alpha particle of the same kinetic energy are moving in circular trajectories in a constant magnet…
The velocity of certain ions that pass undeflected through crossed electric field E=7.7 k V / m and magnetic field B=0.…
This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best…