23 JEE Main 2021 Magnetic Effects of Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 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.
A long solenoid with 1000   turns   m - 1 has a core material with relative permeability 500 and volume 10 3…
An electron with kinetic energy K 1 enters between parallel plates of a capacitor at an angle α with the plates. I…
A loop of flexible wire of irregular shape carrying current is placed in an external magnetic field. Identify the effec…
A proton, a deuteron and an α particle are moving with same momentum in a uniform magnetic field. The ratio of mag…
A hairpin like shape as shown in figure is made by bending a long current carrying wire. What is the magnitude of a mag…
A uniform conducting wire of length is 24 a , and resistance R is wound up as a current carrying coil in the shape of a…
The temperature of 3 . 00   mol of an ideal diatomic gas is increased by 40 . 0 ° C without changing the pres…
A coil having N turns is wound tightly in the form of a spiral with inner and outer radii a and b respectively. Find th…
Two ions having same mass have charges in the ratio 1 :   2 . They are projected normally in a uniform magnetic fi…
A coaxial cable consists of an inner wire of radius a surrounded by an outer shell of inner and outer radii b and c res…
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