24 JEE Main 2019 Magnetic Effects of Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 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.
One of the two identical conducting wires of length L is bent in the form of a circular loop and the other one into a c…
In an experiment, electrons are accelerated, from rest, by applying a voltage of 500 ~V. Calculate the radius of the pa…
A rigid square loop of side ‘ a ’ and carrying current I 2 is lying on a horizontal surface near a long cur…
Two very long, straight, and insulated wires are kept at 90 o angle from each other in x y - p l a n e as shown in figu…
Two magnetic dipoles X and Y are placed at a separation d , with their axes perpendicular to each other. The dipole mom…
An insulating thin rod of length l has a linear charge density ρ x = ρ 0 x l on it. The rod is rotated about…
A moving coil galvanometer has a coil with 175 turns and area 1   c m 2 . It uses a torsion band of torsion consta…
The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a cur…
Two wires A &   B are carrying currents I 1 and I 2 as shown in the figure. The separation between them is  …
A proton, an electron, and a Helium nucleus, have the same energy. They are in circular orbits in a plane due to magnet…
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